Browse our auction catalog, watch your favorite lots and bid live on sale day. Frontier Collectibles Trading Company Limited is the auctioneer of banknotes, coins, numismatic, medals, bonds, stamps, toys, figures, antiques etc. Experience and integrity to be the world's most trusted and efficient marketplace and information resource unparalleled range of services to collectors worldwide. Office in Hong Kong, as the live auction app, you can watch and bid on your mobile or tablet device for upco