Firearms Transfer Tax, 1990, $200 Dull Blue, Imperf, manuscript "76781" serial number, straight line "Jun 13, 1990" date stamp cancel, affixed to ATF Form 4 licence for a 30 caliber Winchester machinegun, Very Fine, the rarest of the Firearms Transfer stamps used for less than a year in 1990, this is one of only four on license examples recorded, undervalued in Scott. Scott No. RY7  $850. $0 (Image)