1936 s/42 AND .22 Luger trainer?

[Bob in OH]

Just bought a 1936 s/42 that is matching with 50% straw (plus holster/ Eagle/63 tool) ($700). The guy also had a very interesting .22 single shot that I snagged for $225.

I am intrigued with this single shot .22. The toggle train up top is maker marked (3X) star over "AF" over vertical line over chevrons. The barrel is crown/R...over the AF chevron thing...over FL.22L over crown/ELG. The left side rear has a monograph that appears to be a fanciful ACF that is inside a shield 3/4" square.

The SN is 14!! The front of the frame is also SN'ed as is the barrel to match.

This piece is 98% original blue and wood grips are checkered and perfect.

In three weeks, I have bought from the same guy 4 Mauser Nazi Lugers, about 5 edges, 4 holsters, 1 P38... and now this 22 which just might be a sleeper!!

I am real curious whether the readers here have any info on this .22...TIA...Bob