Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 1

United States - Modern Errors and Varieties

The auction will start in __ days and __ hours

Start price: $600

Buyer's premium:

1993, National Postal Museum, 29c multicolored, top left corner sheet margin plate No.433444 imperforated se- tenant block of four, minor marginal wave on the left selvage, full OG, NH, VF and very rare, C.v. $2,500, Est. $1,000-$1,200, Scott #2782c