Unique
One of a kind piece, created by the artist.
Limited edition
Original works created in multiple with direct involvement of the artist. Generally, less than 150 pieces total.
Editioned multiple
Pieces created in larger limited editions, authorized by the artist’s studio or estate. Not produced with direct involvement of the artist.
Non-editioned multiple
Works made in unlimited or unknown numbers of copies, authorized by the artist’s studio or estate. Not produced with direct involvement of the artist.
Reproduction
Reproduction of an original work authorized by artist’s studio or estate. The artist was not directly involved in production.
Ephemera
Items related to the artist, created or manufactured for a specific, limited use. This includes exhibition materials, memorabilia, autographs, etc.