Lot
675 
Leavitt Machine, "Boston Mass., Sep 1, 1 PM", Type X3A, Die A, canceling unsealed 1¢ blue entire to Detroit, Michigan, blue lumber merchant corner card, original printed lumber market prices enclosure, two machine pins show, Very Fine and earliest known usage of this scarce machine postmark (by three hours), one other example is known from same correspondence. Estimate $300 - 400.
Realized: $210