Census of 1c Green, Perf 12 x 10 (formerly Scott 424a) (Scott 423A)
Notes:
- Formerly the right stamp in pair with 423A-CAN-33
Provenance:
- 12/9/2010, Sirron Collection, Siegel Auction Galleries, The Sirron Collection of U.S. Perforation Rarities, Sale 1001, Lot 2005
Certificates:
- PF 264024 Genuine, perfs mostly separated, as pair
- P.S.E. (2007), Graded 70