Weatherham Estate TreasuresCobourg, ON Modern JewelryValley Village, CA The Arts Auction HouseYorktown Heights, NY Williamson Auction GalleryHollywood, FL Mynt AuctionsNew York, NY Diamond DepotNew York, NY HIGH END GEMS & JEWELS LTDManchester, England Antique Arena Inc.Brooklyn, NY BidhausWest Palm Beach, FL Hutchinson Scott AuctioneersSkipton, North Yorkshire Diamond DepotNew York, NY Admirable CollectionsSouth El Monte, CA BonhamsLondon, UNITED KINGDOM Modern JewelryValley Village, CA Amelia Auctions & AppraisalsColumbus, OH Hardt Auctions GmbHRadevormwald, NORTH RHINE WESTPHALEN