It is the museum set. A link to the show: http://www.springfieldart.museum/?ex...by-ansel-adams. The link says the exhibit was coordinated by the Peoria Riverfront Museum, which presented a larger AA exhibit last year. The Peoria exhibit was curated by AA's daughter-in-law, not daughter, and included memorabilia such as his Deardorff with 10" Ektar wide field, notebooks, original early prints, etc. It was certainly worth the 600 mile round trip overnight visit.