Vintage 1930’s State of New Hampshire Deputy Warden Forest Fire Service Pin For Sale

Vintage 1930’s New Hampshire Deputy Warden Forest Fire Service Badge Pin. This piece looks like Copper to me, but I have seen similar pieces listed as bronze, so I’m not positive. It does need to be cleaned, as it does have a little verdigris, due to age. I like to leave this up to the buyer - I just don’t want to cause any damage to the piece. This piece has a unique clasp - took me a little while to figure it out - you just push the pin down & it slides open. Please see the photos as part of the description- quarter used to show size. This is an excellent pin for collectors of vintage & antique pieces. Thank you so much for looking.