Census of 50c Perf 10 at Top or Bottom (Scott 517c)

Notes:

Provenance:

Schilling Collection
11/30/1971, Grunin Collection, Siegel Auction Galleries, The Louis Grunin Gold Medal Collection of 20th Century, Sale 404
10/8-10/1998, Zoellner Collection, Siegel Auction Galleries, The Robert Zoellner Collection of United States, Sale 804, Lot 682, Realized $3,750
9/12/2000, Blumenkopf Collection, Siegel Auction Galleries, United States Stamps, Sale 826, Lot 745, Realized $6,750
2/25/2015, Bakwin Collection, Matthew Bennet Auctions, Sale 351, Lot 215, Realized $13,500

Certificates: