Charles Conrad’s flown Skylab 2 ‘CKW’ initialed crew patch carried into space during the first manned Skylab mission, 4″ in diameter, affixed to a letter of authenticity signed “Charles Conrad, Jr., Skylab I CDR.,” which reads: “This cloth patch is one/two similar designs of the Skylab I emblem that I have in my personal collection…This patch was carried with us during the launch of the SL-2 vehicle on May 25, 1973, and flew in space for 28 days.” In fine condition.