M070919a
Crown above an eagle and the initials "Z.P.M.", all above symmetrical element with central "S".
Unidentified mark on different items, such as footed vases, urns, etc. which all seem to share an Asian reproduction vibe. So far, all the attributions I have seen are either eBay PowerScammer lore or nonsense concocted by minor auctioneers.
M070919a
Crown above an eagle and the initials "Z.P.M.", all above symmetrical element with central "S".