Stock Franz .22 Target Pistol
$41.50
This pistol was made by the Franz Stock Maschinen u. Werkbaufabrik in Berlin, Germany from about 1925 until the early 1930's.
Measuring from the backside of the right panel (vertical not diagonal):
S16 & S45 are the same grips:
2 27/32" long
1 3/8" wide @ butt