Black Hawk Point C.T., Nov 2, 1863, unusual first type "custom made" cds on reverse of incoming cover from New Haven, Conn., franked with 1861, 3¢ rose tied by target handstamp, held at post office with straight line "Advertised", "Oct 1" date and "Un-, Claimed" handstamps, Very Fine, a rare trio of auxiliary handstamps from Black Hawk Point, Colorado territory, the Black Hawk Point postmark was used for approximately 10 months in 1863. Estimate  $500 - 750. $0 (Image)