Are you sure that's a late 60's LP that's been modified Snappy Joe?
It seems to have both a wrap-tail and a stop-tail, so maybe it's an older one (LSLP's came with a ABR-1 and a stop-tail)?
How about some more pictures?
Or it could be a 71/72 54/58 goldtop reissue with an added stop-tail? Looks like the top carve is more of the early 70s convexed shape from looking at that pic.