You can buy item in SteamDB.

Example item: https://steamproxy.net/id/ilya515/inventory/#998820_2_3128244394987505842

Item definitions: https://steamdb.info/app/998820/items/
Community Market: https://steamproxy.net/market/search?appid=998820

https://steamproxy.net/steamstore/app/998820
Thank "B l u e b e r r y P o p t a r t" again for all his recent finds.