Lot
2103 
1918, 1¢ gray green, Offset, imperf between, with natural s.e. at right as always since this variety always comes from the two right rows of a left pane, tied to multicolor view post card paying the war-time 2¢ post card rate by "Detroit, Mich. Jun 18 1919" machine cancel to Pratteville, Mich.; light vertical fold between stamps and minor soiling to card, Fine, ex-Alpha; with 1994 A.P.S. certificate. Scott No. 525c Estimate $750 - 1,000.
THE ONLY RECORDED EXAMPLE OF THE IMPERF BETWEEN ERROR USED ON COVER.
Realized: $525