Lot
2687 
1917, 3¢ violet, type I, unwatermarked, imperf, earliest known usage, full well balanced margins, tied by "New York, N.Y., Hudson Term. Sta. 7, Nov 8, 1917" machine postmark on Stanley Gibbons corner card cover to Detroit, Mich., Very Fine, the earliest known usage of the 1917 3¢ type I imperforate. Scott No. 483 Estimate $300 - 400.
Realized: $170