One of a kind piece, created by the artist.

Original works created in multiple with direct involvement of the artist.

Generally, less than 150 pieces total. The edition run has ended;

the number of works produced is known and included in the listing.

The edition run is ongoing. New works are still being produced,

which may be numbered. This includes made-to-order works.

The edition run has ended; it is unclear how many works were produced.

A piece that is made-to-order, taking into account the collector’s preferences.

Reproduction of an original work authorized by artist’s studio or estate.

The artist was not directly involved in production.

Pieces created in larger limited editions, authorized by the artist’s studio or estate.

Not produced with direct involvement of the artist.

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.

Items related to the artist, created or manufactured for a specific, limited use. This includes exhibition materials, memorabilia, autographs, etc.