I have a couple of moulds, obtained from highly trusted sources, represented as have been created by David Mos. These moulds bear no markings of any kind. How do I positively ID them as Mos moulds?

A 22LR mold David made for several of us for our BP 22LR reloads based on the the old UMC Match bullet

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My Mos molds have no identifying marks other than a sequence # that he used to keep track of what the mold was when he was cutting them.  The thing he told me is that he cut them in lots, and cut the small calibers first, so that if they didn't come out right, he could recut to larger.

dave

The 22LR mold I posted has no markings on the outside mold halves.  It is his "KT22" mold and only identification was that was on the invoice he sent.  In addition to humongous sprue plates, the large plate tension hex head is .2470 and always there are 3 large mold pins.  All other hex head bolts are same that Lyman-Ideal has.  And his molds will not fit in a Lyman mold box because of the size of the sprue plate

And FYI - David Mos does not make molds anymore.  He told me only firearms

Thank you ALL. I've seen and heard enough that I feel capable of identifying the real thing when I see it.