VINTAGE HERMAN BAUMGARTEN CO. Tin With Rubber Stamps. Arthur Baumgarten. Contractor to the U.S. government for rubber stamps, seals, and stencils. Tin has some flaws scratches . Hard to read but can be read. Probably has some stamps missing but don’t know for sure as don’t know what was in it when it was new. Looks like they have times on them. Ex: 3 AM. Please see all photos for best description.