Gerard ter Borch, Dutch
Initiation Ceremony for the Secret Order of the Moustache, 1648
Oil on copper
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MASTERPIECE #873
Gerard ter Borch, Dutch
Info, or links that point to more info, about this artist can be found here, here, here, here, here, here, here, here, here, here, here, and here, perhaps in addition to what’s in his Wikipedia page (Google translated German Wikipedia page has more).
archive of 2nd here link if necessary.