I pressed a piece of heavy paper and penciled it in to obtain the seal information, which is: 3 U. Members of Post 327 were the Honor Guard at his funeral. The reason for the missing portion of the seal?
I can only speculate it was related to the dissolution of the Post? US Grant Post 327 Brooklyn NY Lion Head Cast Iron Seal Civil War Vet RARE" is in sale since Wednesday, July 3, 2019. This item is in the category "Collectibles\Militaria\Civil War (1861-65)\Civil War Veterans' Items". The seller is "lucyscap" and is located in Stratford, Connecticut. This item can be shipped to United States.