Lot   Cat.#
Net Price
407 **   1575b
1975, Bicentennial of US Postal Service, (10c) multicolored, se-tenant block of four with omitted value, minor perf separation on the right, otherwise full OG, NH, VF and very rare, according to Datz only 6-8 blocks are known, no price mentioned either in Scott or Datz Cat.

Stamp Auction #75, November 17, 2017. Raritan Stamp, Inc