1876-79 two FLs, each franked with 30L brown, used from Greek Post Offices in Smyrna and Constantinople, used to Syros and Athens, the last one with disinfection slits, v.f. (Image)

Est.$500

1933 Youth of Marathon, set of three, n.h., fine-v.f., cat. $1800 (Cat No. 378-380) (Image)

Cat. $1800, Est.$750

1950 1,000d Youth of Marathon (UPU), background and dates inverted, used, v.f. and very rare, with 2006 APS certificate, normal stamp included for comparison (Cat No. 524c) (Image)

Est.$750

1953 National Products, 1,000d imperf. top margin vertical pair, light olive green background inverted, n.h., v.f., with 2006 Alex Rendon certificate. A rarity (Cat No. 551avar) (Image)

Est.$750

1953 National Products, 2,000d imperf. top left corner margin horizontal pair, light green background inverted, v.f. and rare, with 2007 Alex Rendon certificate (Cat No. 553var) (Image)

Est.$750

2010 Greek islands issue, non-denominated Paper Boat (.58c) with a green square in right bottom denoting lowest inland rate, four gutter sheets of 10, one with emblem (ELTA Hellenic Post) inverted, others with emblem double or omitted, plus a normal sheet included for comparison, interesting modern error (Hellas 2828 Ivar) (Cat No. 2447var) (Image)

Est.$500

1926 2d Flying Boat, horizontal pair imperf. vertically, h.r., v.f., cat. $725 (Cat No. C1a) (Image)

Cat. $725, Est.$250