Vintage Sailing Ship Galleon bookends Cast Iron

Vintage Sailing Ship Bookends Cast Iron w Copper Finish Galleons Nautical Decor. I am guessing on this if it’s cast-iron with copper or what it is because I am not sure I just know it has been in my family since I was a little kid and I believe it was from my grandparents from the 1920s or so. I saw some thing similar and copied their title. They are fairly heavy and one is missing the bottom felt piece