His work includes single panels, diptychs, triptychs, and polyptych panels. He worked formats in triptychs and diptychs. The collection includes sculptures, canvas works, diptychs, triptychs and more. ACE Gallery Beverly Hills entitled, "Diptychs & Triptychs". Van Gogh may have envisioned several triptychs of his paintings of orchards and flowering trees. Between the triptychs are four individual paintings, measuring 11-by-15 feet each. Typical Byzantine ivory works after the Iconoclastic period were triptychs. His last pieces were two religious triptychs; both went to Episcopal cathedrals. They included several large triptychs, which stand as a summation of Beckmann's art. He also painted two triptychs for St Aidan's Church, East Acton. The Popes and large triptychs, in their time, commanded the highest prices at auction. Two full-length triptychs of Freud by Bacon resulted. A number of characteristics bind the "Black triptychs" together. The conventions for Italian triptychs before 1400 were quite rigid. A number of additional panels for some of the triptychs were planned but never completed.