In Ebay if you click on any seller ID, it brings up a summary page for that trader. Then click on "Items for Sale", which will bring up all his or her current items. Then scroll down the left side to "Sold listing" and click that. Bingo!
Here is the result for our counter-marked Thaler man - one look at that list and you know he is selling fakes.
https://www.ebay.co.uk/sch/sattar-uk/m.html?_nkw&_armrs=1&_ipg&_from&LH_Complete=1&LH_Sold=1&rt=nc&_trksid=p2046732.m1684