10-400 depending on specifics
Not much. Akah is/was a wholesaler not a manufacturer of these 22's. Manufacturing origin is hard to determine, and parts are hard to come by; many requiring hand-making.
50
how much is a 22 cal single shot rife by w.h davenport worth made in 1891
single shot is not semi auto . what mod what year?
Not more than 100 if that
50-300 usd
The value of a .22 caliber single shot Mauser gun depends on its condition. This gun in mint condition is valued at around 150 dollars as of 2014.
100-1000 depending on specifics
No, 40-100
20-70 USD or so
We need more information to identify the model. Colt's original single-shot derringers were in .41 caliber, not .22. They did make small single-shot derringers in the 1960's in .22 cal, but they did not have the markings you describe. www.countrygunsmith.net
Will seldom exceed 100 USD