Collectibles - Arnartcreation

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I am trying to find out about a small, ceramic plaque I have. There is a sticker on the back that says Original Arnartcreation Japan. My search on the web has brought up a lot of stuff for sale, but nothing on the company or manufacturer. I'm trying to find out when they were in business and trying to get some estimate of the piece I have. So far I haven't found anything else that looks like this piece.