Originally Posted by
Viich
I sent the serial number in a PM, rather not post the whole thing in an open forum. I've looked it up before, but the format doesn't seem to fit - two letters (SH), 6 numbers.
Sorry, I can't identify the manufacturer but the S/N indicates it's almost built certainly in the grey area where it could be either a 1982 or 1983 model. It corroborates my earlier estimate based on known years for the Avanti and that particular logo style.