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If you're worried, send it out to have it restored, but that looks like a little metal polish will do wonders, some MAAS or Flitz. They are very nice wedges, the handling of a sports-car and the...

Yes, post-1891, and I'd bet that the center mark say's, "Corporate Mark", I've seen those blades before, they're small wedges, I've seen them in square tip however.

Great score on both - they look great!!