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:

1978, Carl Sanburg, 13c black and brown, vertical bottom sheet margin pair, lower stamp with brown color completely omitted, while black one is printed lightly, full OG, NH, VF and rare, especially in transition pair, C.v. $1,750++, Est. $750-$900, Sc. #1731a