1901 till1930
Yes.
AFAIK, no.
No published data known to answer your question.
No. Crescent made inxpensive shotguns under more than 100 different trade names.
Yes
crescent made shotguns for Hermitage from 1904 to 1930. nothing mentioned on muzzle loading rifles.................
impossible without knowing make or model
Crescent manufactured shotguns from 1888 to 1940. They sold a million utility shotguns that were "branded" by hardware stores and the like. Typical value is $85 to $150.
No.The only model 1891 that I am aware of was made by the Marlin firearms Company.
If it is a hammerless single shot or double barrel, it was PROBABLY made by Crescent Firearms, 1892-1931.
Need make and model. You cannot identify year of manufacture even with the make and model on most firearms.