BOULDER, Colo. – Every auction event conducted by Artemis Gallery is a trip back in time, with intriguing artifacts from scores of important cultures waiting to be discovered. However, the company’s Exceptional Series is a particular favorite with collectors. The finest consignments of investment-grade art and artifacts from Egyptian, Greek, Roman, Viking, Near Eastern, Far East/Asian, and Pre-Columbian and tribal cultures are reserved exclusively for sales produced under the Exceptional Series banner. The next Exceptional Antiquities, Asian, & Ethnographic Auction, slated for June 10, includes more than 400 museum-worthy lots, with absentee and live-online bidding available through LiveAuctioneers.