Kathy Thornton’s green Land’s End short-sleeve polo shirt worn and flown during the STS-73 mission, women’s regular size small, embroidered on the left chest in purple thread, “STS-73, Columbia.” In fine condition. Accompanied by a signed certificate of authenticity from Thornton, in part: “This Green short sleeve polo shirt…flew in space aboard Space Shuttle Columbia (OV-102) during the STS-73 mission…The shirt has been in my possession since the flight up until the time I donated it to the Astronaut Scholarship Foundation.” Originating from the Astronaut Scholarship Foundation, a portion of the proceeds for the sale of this item will be donated to the ASF.