Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

United States - Modern Errors

The auction will start in __ days and __ hours

Start price: $75

Buyer's premium:

1978, Wildlife Conservation, Owls, 15c x4 multi, top right corner margin se-tenant block of four, black and brown engraved colors shifted to the left, full OG, NH, VF, Est. $100-$150 , Sc. #1763a var