John Barbieri
True Classic
tia
and try SHOE GOO REMOVER first.
The GOO remover does a fabulous job on most anything with no DISASTROUS results that I have found to date. Disasters are removing paint or staining some other areas with the solvent.
If that doesn't work, the try Lacquer Thinner. It USUALLY will not harm if spilled and wiped off immediately usually. Just be careful and put it on a rag first and use sparingly and see if it dissolves the adhesive. It should.
Next step UP is ACETONE... and this stuff usually cuts through anything but is very volatile and harmful to surfaces. So be very careful.
HTH...