Hi! I purchased this cabinet ~10 years ago from a guy at my church. He had been a guitarist in a bunch of old hair metal bands on shrapnel and filled-in for Testament for a while in the 80s. This was a vintage cab according to him. I think he said 1960. He had the matching straight cab which sounded great and sold me this one for $400. I’d like to date it finally just out of curiosity. He stated that the Celestions were replaced in the 80s. And the serial number dates them to ‘78. There is a number inscribed on the marshal sticker “4825”. I have pictures but have not been registered long enough to be allowed to upload them or something. I can provide them if you let me know.