1682  (1946)  Ordered the beavor and skins be put up as Foil. at the Sale The Coate Beavor . . . the parchment beavor . . . the halfe beavor. . . .
1774  (1934)  This day 11 Cannoes of Grass River Indians came and pitch'd by us, of whome I traded some Moose flesh and a few Parchment Beaver.
1824  (1931)  We could therefore have had no Market for fine Beaver but that for the Hatters, for whose use it is of little more value than the ordinary Parchment Beaver.
1957  Parchment beaver was a skin taken from the animal and stretched and dried.