Your search for "Plains 867" revealed the following:
Plains - Art Series (Gold-Stamped Signature) (AOTJ) from Outlaws of Thunder Junction Art Series, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Salvatorre Zee Yazzie
Plains (080) - Art Series (Gold-Stamped Signature) (ANEO) from Neon Dynasty Art Series, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Tomohito
Plains (Summer) - Art Series (Gold-Stamped Signature) (AHOB) from The Hobbit Art Series, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: David Petersen