What is a TTM autograph?
TTM = “through the mail.” With a TTM autograph, the fan wrote to the celebrity or representative and received back the autograph. If the original mailing envelope was kept, that considered good evidence of authenticity. A return address of Ronald Reagan or Chicago Cubs Baseball Club doesn’t mean the included autograph isn’t secretarial or pre-printed, but obviously proof that the signature came from the right place. Many old TTM autographs were government postcards, often provided to the celebrity by the collector, with the date and place of the postmark being helpful for authenticating the autograph. As most signature forgeries of the long deceased are modern concoctions,a vintage postmark is very desirable to the autograph collector. Some art prints have a lettering when they’re numbered. I assume AP means artist’s proof, but don’t know about the others. Do you know what they stand for? The below link describes and lists the the common lettering found on prints. The different letteri
