60W solid-state head of the mid-1980s (Kentucky/1980s era).
Marks that can be entered for this maker: Transformer code.
Nothing predates 1980; 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 — sunn