Serial # help on Sharps rifle

[Rim fire]

I have a Sharps rifle serial number 43525.  It's a new model 1859.
Thanks

[Two Flints]

closest serial # to yours is 43532 issued to Company K, 5th Michigan Volunteer Cavalry on May 17, 1865.

Hope this helps.

Two Flints

[Rim fire]

Thanks again two flints.