Dahlstroms AuctioneerAvignon, Provence-Alpes-Cote d'Azur Sphere Auctions LLCSun Prarie, WI Dahlstroms AuctioneerAvignon, Provence-Alpes-Cote d'Azur Modern JewelryValley Village, CA COAUCTION Lake Bluff , IL Chairish Auction HouseHOLLYWOOD, CA Marek Roik AuctioneerArlington Heights, IL Dahlstroms AuctioneerAvignon, Provence-Alpes-Cote d'Azur Simply Estatedwestport, CT Diamond DepotNew York, NY Sphere Auctions LLCSun Prarie, WI Weatherham Estate TreasuresCobourg, ON Weatherham Estate TreasuresCobourg, ON BonhamsEdinburgh, UNITED KINGDOM Modern JewelryValley Village, CA Weatherham Estate TreasuresCobourg, ON Modern JewelryValley Village, CA Modern JewelryValley Village, CA