Colt Pocket Hammerless - I think of 1917 - maybe it is made in 1917
colt 380 1917 - Google Search
(C) No copyright claimed - but I think it is en.wikipedia.com from a similar photo
Colt 1903 made in 1917
colt 380 1917 - Google Search
(c) GunsAmerica
Those are two easily encountered automatic pistols in the middle of the 20th century.