Image #1
WORLDWIDE AIR POST STAMPS AND POSTAL HISTORY
YUGOSLAVIA - TRIESTE (ZONE B)
Lot #
110 | ** 
| Scott # C21 var
| 1953, Esperanto Congress, red overprint "STT VUJNA" on 300d lilac and green, specially produced miniature sheet of eight (4x2) with double (!) red marginal inscription, slightly folded along horizontal perforation, full OG, NH, VF and extremely rare, only 5 such sheets known, F. Kessler guarantee hs, Sassone #F4a, C.v. €60,000 . |