Auction 90, Session 1 - Worldwide Rare Stamps and Postal History

United States

The auction will start in __ days and __ hours

Start price: $600

Buyer's premium:

1993, National Postal Museum, (29c) multicolored, top right corner sheet margin plate No.551511 se-tenant block of four, maroon and black (engraved) colors omitted (country name, denomination and background text or pictures), full OG, NH, VF and rare, no more then 16 recorded, a common block is enclosed, C.v. $2,500, Est. $1,000-$1,200, Sc. #2782b