Age Question

[CDW56]

I recently purchased a model 15-2 serial #K5900XX.
Can anyone tell me year of manufacture

 

[HAWKEYE10]

I think it is 1964. The serial number should have a "K" prefix and six numbers. Don

 

[CDW56]

I forgot the K
Thanks

 

[Gun 4 Fun]

Welcome to the forum!
Yep, Don's right. Late '64 according to the book.