Since 2010, "Antique Ryo" has hosted the Minato Yokohama Art Exchange (held on the 4th and 19th of every month), an auction of antiques and antiquities.
The "BOAR Auction," a dedicated platform that enables online bidding and selling of items, has been released.
Please check out the 1 minute and 30 second video on the top page for an introduction to how to use the system.