40W 1x12 2 x 5881 combo of the modern valve line.
Marks that can be entered for this maker: Serial number (plate), Transformer code.
The introduction year is not documented, so the model narrows nothing.
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 — traynor