Model Thompson Sub Machine Gun

But Is It Lifesize?  Originally uploaded by paul.malon
$1.50
Complete construction kit with machined barrel and magazine of wood, necessary hardware and full-size working plans. Colt calibre .45 automatic pistol @1.00. Postpaid, in U.S.A. No stamps, please. Checks 15c extra.

GUN MODEL Co., Dept. C, 2908 N. Nordica Ave., Chicago, Ill.
Kits for all model guns 50c up.

Via Flickr:
1938. This would come in handy for those occaisons when you've forgotten your bank card at home...