Los-Nr. 6102

1861, Side-wheeler steamboat black, large margins all around, with manuscript cancel, together with Washington 3c. rose, both stamps tied by cds. "Boston Mass" and quartered cork to coverfront to RhinebeckN.Y., small part of cover front added, one of the rarest of all independent mail usages from the only steamboat carrier to issue stamps, a scarce item with only a total of 11 covers registered (see Penny Post, October 2002, "Cancels on Prince's Letter Dispatch" pages 47-53, by Larry Lyons) (Scott# 122L1, 65) Provenance:  Sotheby's (October 30th 1979, lot 375)                      Robert G. Kaufmann (March 31st- April 1st 1982, lot 1696                      Frajola (14th September 1986, lot 229)