Provide the serial number.
Old gun catalogs
Unknown. Hopkins & Allen went bankrupt and closed in 1916 after a run of the worst bad luck of any company- including a fire, a burglary, bankruptcy of a company they dealt with, and loss of a rifle contract due to WW 1.
Prior to 1916 when the company closed. Very few records- sorry-
No published sn data.
The Hopkins and Allen MOD 34 is a Tennessee style blackpowder rifle. Not much to it a basic BP rifle good for beginners. Its worth about $50-$150 depending on condition.
10-100 USD or so
$125 in working order...at most.
$50-$300 depending on condition
You will need to get a professional appraisal
50-200 USD
most H&R rifles were made between 1880 - 1900. also, the 35-55 cal rifle with 1/2 octogen barrel was made between 1886 - 1890 check the caliber of your rifle.