Lot   Cat.#
Net Price
16 **   1541e
1974, Minerals issue, 10k multicolored, top right corner sheet margin block of four, black, red and purple engraved colors omitted on right stamps together with plate number from the top margin, full OG, NH, VF and extremely rare, according to Datz only four such blocks exist, common plate No. block is included, C.v. $7,000

Stamp Auction #74, July 21, 2017. Raritan Stamp, Inc