Keep in mind that as Walt's popularity grew, some Studio artists were
selected to sign Walt's name in response to requests for his
autograph. There have been articles published on distinguishing
these signatures in collector's magazines. I think TOMART's Disneyana
Update published one recently. If I were in your position, I would
Xerox the item and send it to a Mr. Phil Sears, who is one of the
real authorities on this subject. I'd suggest including a SASE as
a courtesy. Good luck!
Rick Trethewey
Rainbo Animation Art
p.s. You can reach Phil at:
Phil Sears
1457 Avon Terrace
Los Angeles, CA 90026