Census of 12c Dark Violet, Special Printing (Scott 173)

173-UNC-28

173-UNC-28

Notes:
    Provenance:
    • 4/26/1966, Ambassador Collection, Siegel Auction Galleries, The Ambassador Collection, Sale 300, Lot 214, Realized $632
    Certificates:
    • PF 6534 (1956) Genuine with usual clipped perfs