I THINK your derringer may be a RECK. Value about $25-$50.
No published sn data.
50-260
$200.00 to $250.00 for a nice one.
50-260
25
I have a 22 LR RECK single barrel s/n 52105. I think it was made in Germany during WW2. It was most likely carried to the States back by a returning GI in the late 1940. P.S. I'm looking for a set of grips for it.
40-100 USD
$75
50-80
$75
10-100 usd