Census of 12c Perf 10 at Top or Bottom (Scott 512b)
Notes:
- Perforated 10 between
Provenance:
- 4/5/1986, Siegel Auction Galleries, 1986 Rarities of the World, Sale 660, Lot 256, Realized $1,400
- 11/14-16/2018, Siegel Auction Galleries, United States Stamps including Confederate States and Hawaii, Sale 1192, Lot 577, Realized $23,000
Certificates:
- PF 81395 (1980) as block of four with 512b-OG-01
- PF 556948 (2018) (as pair) "IT IS GENUINE, THE BOTTOM STAMP NEVER HINGED AND THE TOP STAMP PREVIOUSLY HINGED"