2024Rago Arts and Auction CenterWilliam Harper, 'Self Portrait as an Incan Jewel' gem-set broochSee Sold Price
2024Rago Arts and Auction CenterWilliam Harper, 'The First Bridal Flower' enamel, pearl, and gold broochSee Sold Price
2023Potteries Auctions LtdWilliam Harper studio sculptures, contemporary stoneware figure "The Offering", h.36cm a/f, togetherSee Sold Price