What does S.M.V. stand for on Moffat coins?

Moffat territorial gold coins can be seen with the text "S.M.V. California Gold" on the reverse. What does S.M.V. stand for?
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Moffat territorial gold coins can be seen with the text "S.M.V. California Gold" on the reverse. What does S.M.V. stand for?
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Standard Mint Value
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