GemStreet USA fair
http://www.gemstreetusa.com/2-4 march 2018
6-8 october 20173-5 march 201728-30 october 20164-6 march 20169-11 october 20152-3 may 20156-8 march 201528-30 november 2014
20-22 june 2014
28 february - 2 march 2014Sharonville Convention Center
11355 Chester Road, Sharonville, Ohio, USA
Also see:
http://www.mindat.org/mesg-64-351475.html