2017Echoes Antiques & Auction Gallery, Inc.HENRY HAMMOND AHL (AMERICAN, 1869-1903) WATERCOLORSee Sold Price
2015Thomaston Place Auction GalleriesHENRY HAMMOND AHL (MA/NY/CT, 1869-1953) - Two MiniatureSee Sold Price
2020Case Antiques, Inc. Auctions & Appraisals2 20th Cent. Maritime Paintings, incl. H.H. Ahl, J.See Sold Price