"The UACC does not issue COAs and never has. So, any "UACC COA" is bogus.
It may be from a UACC Registered Dealer, but not directly from the UACC. I mention this because I have seen bogus COAs that purport to be from the UACC. "
"Doesn't look like Walt's signature. Maybe signed by one of his artists? Phil Sears is a Disney expert. You may want to have him take a look at it.
https://www.phil-sears.com/"