Costco Clearance: Mikasa Moscow Mule Mugs 4-Pk $29.97

*UPDATE* 10/10/16. Apparently the Moscow Mule drink was really popular in the 1940’s and was traditionally served in copper mugs. Costco has the Mikasa Moscow Mule Mugs 4-Pack on clearance for $29.97. That is $10.02 off Costco’s regular price of $39.99. While supplies last. This was spotted at the Covington, WA Costco. This item may not be on clearance at all locations. Clearance prices may vary by location and may…