Buyer blocked came up when I was browsing. Traced back to a 2017 purchase which I was unhappy with(unethecal practice of selling a copy not original) and queried with seller. She said it was her first complaint! Strange to note her feedback numbers are the same now(2020) +1 as in 2017? I took no further action but was annoyed re my ebay profile to be blocked by a seller! What can I do?