Census of 2c Green & Black on Violet Paper, Proprietary, Center Inverted (RB2c)

RB2c-CAN-02

Notes:

Provenance:

• Robert Cunliffe Collection, Shreves Philatelic Galleries
• 12/16/2014, Daniel Curtis Collection, Siegel Auction Galleries, The Curtis Collection: U.S. Revenues, Part 1 , Sale 1089, Lot 559, Realized $23,000
• 5/31/2016, Siegel Auction Galleries, 2016 Rarities of the World, Sale 1129, Lot 454, Realized $21,750

Certificates:

• PF (1964)
• PF (2015)