Contact Gibson and ask.
I've always thought the embossed covers were mid 71 through to early/mid 72 - on 335s they seem to correspond with the era where they were messing with the centerblock which was later than '70.1970. Label switched that year. Serial and other features put it at 70 -72, but no embossed pickup covers and the label say it's very early in 1970.
Yeah, that's the time period I've seen them present. Rarely you'll have a guitar like the OP's or some 70s model that didn't change over the course of a few years and you can point to the embossed covers as a way to include/exclude a guitar for that period. It's a good shorthand for shopping. You could be walking around at a guitar show and instantly know within a couple years, the date for a Gibson, even across a room, just by seeing those covers.I've always thought the embossed covers were mid 71 through to early/mid 72
I think the volute was implemented some way into Dec '69, so you might find the odd '69 with a volute but they're in an extreme minority compared to '69s without them.AFAIK, there are no orange labels after 70.
I don't think 69 had a volute.
So, there ya go...another guess that's worth what you paid for it.
Those T-Tops can be magic.
The ones in my '74 are delish.