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Here are some examples. They're pretty hard to find, but they're around.
http://straightrazorpalace.com/razor-clubs/40243-greaves-pauldrons-gauntlets-4.html#post563808
Greaves Stubtail, Swayback,...

The scales on the Greaves are definitely homemade replacements. If there's no "& Sons" under Greaves, then I believe it is earlier, around late 1700s - early 1800s (hard to tell since the shape of...