Ludwig V.Mises
New Member
Plenty of banter about using xray testing, sigma machines, pocket pingers, acid and scratch tests to identify fakes, and here is a genuine fake selling for over $8000 AUS 
https://www.ebay.co.uk/itm/287507304937?var&stype=1&widget_ver=artemis&media=COPY
https://www.ebay.co.uk/itm/287507304937?var&stype=1&widget_ver=artemis&media=COPY