Flown DC-X Delta Clipper Flight 6 embroidered patch, 5.5 x 3.5, affixed to an 8.5 x 11 certificate bearing pre-printed facsimile signatures of Dale E. Shell and Charles Conrad, in full: “Presented by: The United States Air Force/Phillips Laboratories and McDonnell Douglas Aerospace in appreciation of your support of the Delta Clipper Experimental Flights at White Sands Missile Range, New Mexico.” Below the patch is a caption: “This patch was flown aboard the sixth flight of the Delta Clipper Experimental (DC-X) on 16 May 1995, 0940–0942 MDT.” In fine condition.