the 1937 reference in the Razor Emporium table
Marks that can be entered for this maker: Serial number (1904–1931), Model, type or typology, Date code (letter + quarter), Model, type or typology, Tang stamp / makers mark, Plant letter (V, W, Y, Z), Blade code, Era marker / packaging, Case or set.
Nothing predates 1937; 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.