An autograph that is not authenticated by a creditable company could sell at half the market value or less. Two of the top, and most trusted authenticators are PSA/DNA, and James Spence Authentic (JSA). Collectors will pay more for signatures authenticated by either one. It may sound odd but in some cases PSA/DNA, and JSA authenticated signatures may sell higher than a Letter of authenticity from an unknown or less trusted authenticator that witnessed the signing even though PSA/DNA, and JSA did not. It's just a matter of collectors trust, and collectors will pay more for it.
Check the respective websites Show Schedule to see if they will be in the area that you live. They also do business through the mail. I will leave a link below for both websites.
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i have an old Queen lp.. that has typed liner notes and a photo.. and a few signatures.. how can i get it authenticated or certified
The worth of a celebrity photograph has many variables. Is it mass-produced (how many are in existence)? How famous is the photographer? What is the condition of the piece? Is it signed by the artist? If it's a band, did all members sign it? If it is signed, have the signature/s been authenticated?
The time signature is placed on the staff between the clef and the key signature.
the time signature is 4/4
Signature series clarinet