Factory built from Winchester bolt action rifle (very rare); single shot; checkered wood pistol grip; pictured in Savage Pistols book at page 178.
Brower letter states that this was made at the Winchester factory shortly after WWI.  With copy of Houze Gun Report article on the development of Winchester .22 single shot pistols.

CONDITION: Excellent.  99% finish.

ITEM #B591   S/N none   CAL.22LR

B591 Prototype Winchester single shot pistol