I would suspect a "Frugal" German Co.made a simple die,rough pressed a "form" from
the ends or tails of the original feedstock
and simply finished to shape/detail by a hand finisher.IMO
SEiler (yank in uk)
This ring was NOT fabricated by some fancy
investment casting process as purported by an
"Authority"on WAF AND eagerly supported by somebody selling books. Big Grin Big Grin