1966: Birds, European Robin 4 d., a used example showing variety black (value) omitted, fine but for minor surface abrasions, a stamp of great scarcity with just one other used example recorded by Pierron (on cover). Cert. BPA (2014) Gi = unpriced/Pierron = £ 6'500.
1966: British Birds 4 d. variety bright blue omitted on the rare phosphor issue. Pierron : just 2 blocks known. Blue Tit (Gi. 697) has a small mark in the gum, otherwise fresh and fine, unmounted og. Cert. RPS (1974) and BPA (2014) Gi = £ 12'000.
1966: Technology 6 d. red, deep blue and orange, variety red omitted 'Missing Minis', fresh and fine, unmounted og. Pierron records just 18 examples of this spectacular variety. Cert. BPA (2014) Gi = £ 20'000.
1966: Christmas 3 d. missing green (affects the jewels in the crown, the error features a small down shift of yellow), a very fine used example, only two known used examples recorded by Pierron. Cert. BPA (2014) Pierron £ = 4'250.
1966: Christmas 3 d. variety missing gold. A right hand marginal pair with the error on the marginal stamp due to a major colour shift to the left. Cert. RPS (2014) Pierron = £ 850.
1967: EFTA 9 d. brown (Railway Trucks) omitted. Mint traffic light block of eight from lower right corner of sheet. Minor gum crease affecting three stamps but of fine appearance and full unmounted og Gi = £ 760.
1967: Machin 3 d. violet, centre band, variety imperforate vertical pair within a mint block of eight. Fresh and very fine, unmounted og. A rare multiple Gi = £ 900+.
Machin: 1967/70: 4 d. deep sepia, two phosphor bands, variety part perforated pane ex Booklet with top three stamps imperforate on three sides, fresh and very fine, unmounted og. Cert. BPA (2014) Gi = £ 3'800.
1968: Machin 4 d. deep olive-brown in a corner marginal block of eight and 5 d. royal blue in a corner marginal block of six mint, both partially imperforate due to paperfold, both blocks minor imperfections due to the erroneous printing, unusual and scarce multiples, unmounted og.
1967: British Paintings, Stubbs 9 d., phosphor, variety black (Queen's head and value) omitted, fresh and fine mint, unmounted og. Cert BPA (2014) Gi = £ 950.
1967: British Paintings 9d. variety major black shift to right. The Queen's head and value appear transposed. A fresh mint traffic light (with the black dot missing due to the shift) block of six, unmounted og Pierron = £ 1'050+
1967: Christmas 3 d. 'Adoration of the Shepherds', variety rose largely omitted, a dry print (as per the Gibbons listed variety), fresh and fine mint, unmounted og. A rare variety. Cert BPA (2014) Gi = £ 3'700.
1967: Christmas 1 s.6 d. variety ultramarine omitted (row 1/4) in a top marginal block of eight, the error occured due to a paperfold creating a major shift of the ultramarine on the other seven examples in the block, fresh and very fine, unmounted og. Cert. RPS (2014) Gi = £ 850+
1968: Paintings 4 d. Elizabeth I, variety gold (value & Queen's head) and phosphor bands omitted, fresh mint example of a rare stamp, with just 8 examples recorded by Pierron, unmounted og. Cert. BPA (2014) Gi = £ 4'000.
1968: Paintings 1 s. 'Pinkie', variety gold (value & Queen's head) embossing and phosphor omitted, fresh mint example of a rare stamp, merest surface scrape at top, just 60 examples recorded by Pierron, unmounted og. Cert. BPA (2014) Gi = £ 700.
1968: British Paintings 1 s. 6 d. variety gold omitted (Queen's head and value), a fine mint corner marginal example, slig specking on gum, unmounted og. Cert. RPS (2014) Gi = £ 300.
1968: British Paintings 1 s.9 d. variety gold (value and Queens head), embossing and phosphor omitted. Fresh and fine, unmounted og. Cert. RPS (2014) Gi = £ 950.
1969: Ships QE2 5 d., variety black (Queen's head, value, inscription) omitted, fresh and fine mint, unmounted og. Rare and appealing variety with just 72 examples recorded by Pierron. Cert. BPA (2014) Gi = £ 3'500.
1969: Ships 9 d. se-tenant sheet marginal strip of three, variety red, blue and phosphor bands omitted, fresh and fine, unmounted og. Just 40 strips recorded by Pierron. Cert. BPA (2014) Gi = £ 3'800.
1969: Ships 9 d. se-tenant sheet marginal strip of three, phosphor, variety blue omitted, fresh and fine, unmounted og. Just 40 strips recorded by Pierron. Cert. BPA (2014) Gi = £ 3'800.
1969: Anniversaries NATO 1 s. 6 d., mint examples (2), one showing variety black omitted, the other with variety yellow-green (flags) omitted, both fresh and fine mint, unmounted og. Certs. BPA (2014) Gi = £ 215.
1969: St. Paul's Cathedral 9 d. variety black (value) omitted, a fine mint example marginal from top of sheet, unmounted og. Cert. RPS (2014) Gi = £ 280.
1969: St. Paul's Cathedral 9 d. black omitted due to a major black shift downwards. A stunning marginal positional traffic light block of twelve, the first row all with black omitted, the second row all with marginal details (black dot t.l., registration cross etc.) and black shift down, the third row all with black shift downwards, full unmounted og Gi = £ 1'200++
1969: Prince of Wales Investiture 5 d. in a se-tenant strip of three, each with variety black (value & inscription) omitted, lower sheet marginal, fresh and fine but for speck on third stamp, unmounted og. Pierron records approximately 48 strips. Cert. BPA (2014) Gi = £ 2'250.
1969: Prince of Wales Investiture 5 d. in a se-tenant strip of three, each with variety deep grey omitted, in a top right corner traffic light block of six (unique thus), fresh and fine, unmounted og. The largest recorded multiple of this rarity, Pierron records just one strip mint. Cert. BPA (2014) Gi = £ 3'300.
1969: Christmas 4 d., variety gold (Queen's head) omitted, fresh and fine mint example, unmounted og. Rare - Pierron records just 5 examples.Cert. BPA (2014) Gi = £ 12'000.
1969: Christmas 5 d. variety gold (Queen's head) omitted, fresh and fine sheet marginal mint example, unmounted og. Rare - Pierron records just 30 examples.Cert. BPA (2014) Gi = £ 1'200.
1969: Christmas 1 s. 6 d. variety deep slate (value) omitted, fresh and fine mint, unmounted og. Pierron records 120 examples. Cert. BPA (2014) Gi = £ 550.
1969: Christmas 1 s. 6 d. variety greenish yellow omitted, fresh and fine mint marginal example, unmounted og. Pierron records circa 120 mint examples. Cert. BPA (2014) Gi = £ 550.
1969: Christmas Issue, 5 d. variety light blue (sheep) omitted mint, 1 s. 6 d. value variety gold (Queen's head) omitted mint, and 1 s. 6 d. variety new blue omitted mint, all fresh and fine unmounted og. Certs. RPS (2014) Gi = £ 420.
1970: Anniversaries Co-op 1 s., variety green and embossing omitted mint, and 1 s. variety green omitted, each fresh and fine, unmounted og. Certs. BPA (2014) Gi = £ 340.
1970: Anniversaries 1 s. variety gold (Queen's head) brown omitted mint, 1 s. variety brown omitted mint, and 1 s. variety brown and phosphor bands omitted mint, all fresh and fine unmounted og. Certs. RPS (2014) Gi = £ 730.
1970: Charles Dickens 5 d. imperforate (block of four), the unique traffic light multiple, Gi. 826 has a tiny spot on the gummed side, otherwise fresh and fine, unmounted og. Pierron: 30 mint blocks known Gi = £ 2'400+
1970: Literary Anniversaries, Dickens 5 d. in a se-tenant block of four, marginal mint from base of sheet, variety yellow-bistre missing on lower two stamps (David Copperfield with value missing & Oliver Twist with background missing), light bends at top and large part og. A great rarity of modern philately with just 6 mint blocks recorded by Pierron. Cert. BPA (2014) Gi = £ 33'500.
1970 Charles Dickens 5 d. light greenish blue omitted. in a block of four (all with silver inscriptions partially omitted due to a dry print). Fine and very scarce, unmounted og. Cert. RPS (2014) Gi = £ 800.
1970: Literary Anniversaries 1 s. 6 d. 'Grasmere', variety silver (Grasmere) omitted, a fine mint lower marginal example, unmounted og. Cert. BPA (2014) Gi = £ 250.
1971: Literary Anniversaries 5 p. Thomas Gray, variety gold (Queen's head) omitted, fresh and fine, unmounted og. Rare, just 36 examples recorded by Pierron. Cert. BPA (2014) Gi = £ 1'400.
1971: Anniversaries 3 p. British Legion, variety deep blue (Sailor's uniform) omitted, fresh and fine mint, unmounted og. Cert. BPA (2014) Gi = £ 1'150.
1971: Anniversaries 9 p. 'Rugby Football Union', variety olive-brown omitted, fresh and fine mint example from top of sheet, unmounted og. Cert. BPA (2014) Gi = £ 325.
1971: University 3 p. Aberystwyth, variety black (windows) omitted, a dry printr as per Gibbons listing of the variety (see Pierron pagee 187, just two examples recorded mint), a fine used example. Unique thus. Cert. BPA (2014) Gi = Unpriced used, £ 15'000 mint.
Machin: 1976: 11 p. brown red, 2 phosphor bands, imperforate (two pairs), top marginal in a splendid mint positional block of eight. Pierron - less then 10 mint pairs exist, probably one of the rarest Machin imperforate errors, fine unmounted og. Cert. BPA (2014) Gi = £ 7'200+
1971: Christmas 2½ p. imperforate. Cylinder block of eight, minor crease and couple of small bends in the margins, one stamp has a small corner crease, still a very fine and rare block Gi = £ 2'800.
1971: Christmas 3 p. variety carmine-rose omitted, a fine example used on small piece. Just three used examples are recorded by Pierron. Rare. Cert. BPA (2014) Gi = Unpriced used, £ 5'800 for mint.
1971: Christmas 7½ p., variety lilac omitted, fresh and fine mint marginal example, unmounted og. Just 24 examples recorded by Pierron. Cert. BPA (2014) Gi = £ 1'400.
1971: Christmas 7½ p., variety emerald omitted, fresh and fine mint example, unmounted og. Just 50 examples recorded by Pierron. Cert. BPA (2014) Gi = £ 750.
1972: BBC 3 p. Microphones, variety greenish yellow (terminals) omitted, fresh mint marginal example, unmounted og. Rare - just 10 examples recorded by Pierron. Cert. BPA (2014) Gi = £ 6'000.
1972: Christmas 2½ p. variety gold (Queen's head) omitted, a fresh and fine mint example, unmounted og. Just 36 examples recorded by Pierron. Cert. BPA (2014) Gi = £ 1'500.
1972: Christmas 3 p. variety red-brown omitted, a fresh and fine mint example, unmounted og. Just 24 examples recorded by Pierron. Cert. BPA (2014) Gi = £ 1'400.
1972: Christmas 3 p. variety gold (Queen's head) omitted, a fresh and fine mint example, unmounted og. Just 30 examples recorded by Pierron. Cert. BPA (2014) Gi = £ 2'000.
1973: Explorers 3 p. in se-tenant block of four, each with variety gold (Queen's head) omitted, fresh and fine mint Cylinder block, large part og. Cert. BPA (2014) Gi = £ 3'000..
1973: Explorers 3 p. in se-tenant pair, variety light orange-brown omitted, a couple of split perfs. at base otherwise fresh mint, unmounted og. Cert. BPA (2014) Gi = £ 3'000.
1973: Explorers 5 p. lower left corner marginal pair with cylinder numbers, with variety gold (Queen's head) omitted, fresh and fine mint, slight bend and hinge in margin only, stamps unmounted og. Cert. BPA (2014) Gi = £ 550.
1973: Explorers 5 p. with variety grey-black and phosphor omitted, fresh and fine mint, unmounted og. Rare - Pierron reccords just 24 examples. Cert. BPA (2014) Gi = £ 4'700.
1973: Explorers 7½ p. variety ultramarine (eyes) omitted, used on letter to USA cancelled by 'Greenock / Renfrewshire' machine cancel (24.4.73) in black. Extremely rare, Pierron lists just 3 examples. Cert. BPA (2014) Gi = £ 5'000 off cover.
1973: British Paintings 3 p. variety gold (Queen's head) omitted, a fine marginal mint pair from right of sheet, unmounted og. Cert. RPS (2014) Gi = £ 300.
1973: British Paintings Raeburn 5 p. variety gold (Queen's head) omitted, and further 5 p. with rare variety greenish yellow omitted, each fresh and fine mint, unmounted og. Pierron records just 30 examples of the missing greenish yellow variety. Certs. BPA (2014) Gi = £ 1'530.