no san luis obispo stamp on back of the neck?

[adamdanger]

have these stamps always been on the headstock or does this mean it is an early bass? cheers

 

[Colin]

have these stamps always been on the headstock or does this mean it is an early bass? cheers

post a serial number check on the dob what's my serial thread

 

[Caca de Kick]

Could be an early one. Would have a gloss finished neck though. Rear decal showed up late 87/early 88.
-or-
Could be a Japan version "EX" model. Those didn't have rear decals.