what is the manufacture date of a model 59 winchester 12 gauge shotgun with serial number 262XX
yes
Your Marlin model 59 single shot shotgun is valued at between 40-100 dollars,depending on overall condition and a good bore.
No
@59 yrs old
Your Winchester model 59 in the stated mint condition will bring between 450-525 dollars on todays market.
Marlin Model 59, 1959-1961
100% condition is $750.00, 60% condition is $200.00.
Glenfield,which was made by Marlin Firearms Company made a bolt action .410ga shotgun from 1956-1965.This was the marlin model 59 which is the same shotgun as your Glenfield model 60.
Try e-gunparts.com, gun shops, gun shows, want ads.
Try Numrich Arms, they've got a website and a lot of used parts.
Best to ask a gunsmith for help.