New York Marks on 53 Model Enfield

Joined
Sep 3, 2015
Small arms are not my area of expertise but I'm sure some of you can tell me about the New York marks on the left side of the stock. The other question regards what treatment should be used to preserve the wood and iron. This musket has been a closet for the last 50 plus years. I want to protect and preserve it for the next 100 years. Thank you for any help you may provide.
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