Approx. 90W 2x12 piggy-back from the 1963-67 Gibson line.
Marks that can be entered for this maker: Transformer code, Speaker code, Pot code.
Nothing predates 1963; components only push the date later.
Sold-price aggregates are not collected yet, so the archive gives no figure — condition, originality of the transformers and a documented recap move this model more than any list price.
Evidence: Blue Book of Guitar Values — gibson