U.S. INT. REV. Canton Seal & Register Lock CO.

[bvan7744]

Hello from a new member on the New Jersey shore. I am a life long collector of many objects made locally from years past. I have a collection of padlocks that I am just now trying to research. I've included some pictures of my first padlock, given to me by my father some 50 plus years ago. I can't remember where he said he got it from but I can't ask him now... It's an all brass and heavy lock and matching key #3283 marked on both. It reads U.S. INT. REV. , Improved patent applied for, Canton Seal & Register Lock CO.,Patented January. 1.1878. Can anyone tell me some history and usage for this padlock? It's in great shape and works fine.Any help on current valuation would also be helpful. Thanks.