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Source: Brody Collection; Robert A Siegel#1283-Lot 1562: 5c Blue, Jamestown (330). Vertical pair, tied by "St. Louis Mo." oval cancel on salmon corner card cover to Woburn Mass, registry label affixed at lower left with magenta "Saint Louis Mo. Registered Dec. 1, 1907" double-circle datestamp, no. 5186 handstamp, cover with slightly rounded corner at bottom right, Very Fine use of this Form 1549A label, this was a combination gummed registration label and receipt, tested during the 1907 Christmas season, it was intended to permit faster acceptance of matter presented for registration