Weck Surgical Prep Razor

Surgical prep, not a mortuary razor. The straight versions were widely used by the US Navy. Like Personna, Weck moved largely into two specialist areas once Gillette had won the shaving market: surgical and hair shapers/dog scrapers. With this razor, I'm going to guess '40s or '50s. Wild guess.

... of 't Bay, yes. They don't come up often, let alone no other bidders

Here's the straight razor equivalent: