That is the lowest price i have heard of. How long ago was back then? I track them, the last 2 to 3 yrs prices of Lu Xun 2 pc set and box was about $800 and then moved up over $900. Bought mine years ago too. None for sale for the last yr or so that i know of. Most Feng sets are targeted today but a member did send me info of a 12 pc archaeological set that sold on a unknown US small auction for under $200 maybe 2 yrs ago.
The most common set on ebay was the 1979 Painting 2 pc set. The Qi Baishi silver medal is the most detailed of them all in my biased opinion. A set sold out of Canada last yr for $150. Much higher price but seller kept dropping price. I got it and it is like new. The outer box, silver-red Chinese characters is in good shape, looks like it sat in a safe until sale. My best Chinese Painting set, photos..