Each with a modernist, hammered, planished finish and simple design from a top quality maker. Each pair with kiri wood box. CPO may stand for Central Purchasing Office and was the US office in charge of buying items for the US Army and Navy in Post War Japan.
Retailer: Toyokoki (Japan)
Hallmarked: CPO/ Silver990/ Toyokoki.
Approximate weight each pair: 2.55 troy oz.