373rd Heinrich Köhler auction - Day 1

1861, Side-wheeler steamboat black, large margins all around, with manuscript cancel, together with Washington 3c. rose, both stamps tied by cds. "Boston Mass. Sep. 11" and quartered cork to cover to Albany N.Y., 1865 receipt docketing, sealed tear in 3c stamp, backflap removed, one of the rarest of all independent mail usages from the only steamboat carrier to issue stamps, this is one of the earliest covers of a total of 11 registered (see Penny Post, October 2002, "Cancels on Prince's Letter Dispatch" pages 47-53, by Larry Lyons), certificate PF (1982) (Scott# 122L1, 65)
Provenance: The David Golden Collection of U.S. Carriers and Locals (Siegel Auctions 1999)