Newbee here couple questions

Welcome..just did some research on a Superbee I found and in addition to the VIN plate on the dash, the rad support and along the driver side trunk rail under the weatherstrip. Supposed to be the last six of the VIN I believe.

70-72 Fastback A's (Duster, Demon), generally DO NOT have the trunk lip stamping. On a 71, look on the rear speaker shelf, between the speaker hole and rear window. My 70 Duster, 3 71 Dusters, and 72 Demon all have the vin stamped there.

Thew VIN should be stamped... 1Bxxxxxx or 1Exxxxxx

HTH

BTW that's a great Demon you got... one that I would love to have myself.

Shelf VIN.jpg