People Building the River Dikes, Summer

Unique: One-of-a-kind piece.

Artist's Proof: Highly limited editions made under the direct supervision of the artist; the number of AP is known and included in the listing.

Limited edition: The edition run has ended; the number of works produced is known and included in the listing.

Open edition: The edition run is ongoing. New works are still being produced, which may be numbered. This includes made-to-order works.

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