So I’ll just document these and put them out there, in the hopes that for someone out there in cyberland these will ring a bell and with any luck, prompt an email that will bring a box, paperwork or some other additional information to light (or at least a few humorous cracks from the usual smart-alecks).
First is one marked "Master," which surfaced in an online auction:
According to the "Pencyclopedia" posted by W-B Pens and Watches (www.pensandwatches.com),
"Master" was a name used by the Bankers Pen Company, made to accompany the "Master Pen" invented by Julius Schnell. However, the M in a circle suggests that this might be a David Kahn production:
Next, along the same lines, is marked "Wardman," which came from Michael Little in DC: