Castellorizo 1920: Specialised collection with BNF surcharges with complete set to 20 pi. on Merson 5 fr. incl. duplication, with unused varieties throughout incl. 'Castellorizo' inverted on 1 c. (2), 3 c. (unused and three used), 5 c. (2), 10 c., 15 c. (2 unused and one used), 20 c., 40 c. (and a second example with 'S' for 'Z' variety), 2 pi. on 50 c. (6, including a block of four), further examples with 'No Stop' varieties, the ONF issue with a similar fine range with varieties throughout, handstamped surcharge 'OF' with all six values and a cover, three line violet handstamped surcharge on cover etc. A remarkabale collection of high catalogue value with many items signed by competent experts (Items 139 + Covers 7).