

How DO you tell if the Explorer you are looking at is Edge approved 1976 Limited Edition? For those searching their local used shops...
First, the serial number starts 00 (space) and then six digits.
Second, it says Limited Edition
Both markings can be found on the back of the headstock - like so:

. Technically, it sounds great and has a good tone, no doubt, but a big part of guitars is whether I like the look too.
