A lot.
50-1000 depending on specifics
Kinda depends on what exactly it is. Several different types of rifle saw service in WWI.
Lee Enfield 303
The value of a Japanese rifle from World War II, such as the Arisaka Type 99, can vary widely based on factors like condition, rarity, and provenance. Typically, these rifles can range from a few hundred to several thousand dollars. Collectors often seek rifles with unique features, such as those with matching numbers or historical significance. Additionally, the market for military collectibles can fluctuate, influencing overall value.
that would be a percussion black powder rifle from the civil war. value would depend on overall condition
the 1864 springfield rifle saw action during the civil war and is a 58 caliber percussion rifle. values vary based on overall condition. estimates could vary from $500 to $1000
ross rifle
Mauser
Pre World War II. sales@countrygunsmith.net
The Arisaka Type 38 Rifle and the Arisaka Type 44 Rifle both used a 6.5 mm bullet whereas the Arisaka Type 99 Rifle used a 7.7 cartridge . The Nambu Type 14 Handgun used an 8 mm cartridge .
Depending on the condition and rarity, your Arisaka rifle with mum intact (the flower symbol) could range anywhere from 60.00 to 3,000.00US.
See the link below to an article on the Arisaka Type 99.