eBay
Listed for a limited time only is this rare seal lock with original key both numbered 3283. The face of this all brass lock reads ,from top to bottom, 3283[on lock handle],U.S.IN. REV, IMPROVED PATENT APPLIED FOR, CANTON SEAL $ REGISTER LOCK CO., PATENTED JANUARY.1.1878. Key #3283 opens lock easily and all functions as should. Lock and key show little ware with few surface scratches. Brass patina is great. I would give both a 9 out of 10 rating. This rare lock is in high command among collectors.This particular lock was used by our beloved IRS  on their money bags, money collected from rum taxes. Any questions please ask. Last one sold at a padlock collectors auction a few years ago for over two thousand dollars! Do your research first!