1869: Prince Milan, 15 pa. orange, perf. 9½ x 12, surface thinning at the bottom right value tablet, tied by BEOGRAD 24/IV cds with ornamentation (Kardosch type 6) to printed matter advertisement with black 'PD' alongside, mailed to Palermo. Cover with horizontal fold not touching the adhesive. Only one other printed matter 15 pa. franking known, from the same correspondence, sent in 1873 to Switzerland (Collection Predrag Antic). Cert. Velickovic (2009).