T111 JOHN SHAFFER ORIGINAL PATENT APPLICANT TRAP GUN; Made for small varmints. The device fires .22 RF blanks. Comes with original receipts from the US Patent office. This trap was in the Cliff Petersen Collection and appears to never have been used. It is in excellent condition with all the finish and is mounted on a display oak stand. Stands about 15 inches high. Quite a unique trap!