![Lot 6423 STS-51-B Mechanical Pencil [Attested Flown] - From the Personal Collection of William E. Thornton](https://cdn.rrauction.com/auction/752/3518030_1.jpg)
![Lot #6423 STS-51-B Mechanical Pencil [Attested Flown] - From the Personal Collection of William E. Thornton - Image 2](https://cdn.rrauction.com/auction/752/3518030_2.jpg)
![Lot #6423 STS-51-B Mechanical Pencil [Attested Flown] - From the Personal Collection of William E. Thornton - Image 3](https://cdn.rrauction.com/auction/752/3518030_3.jpg)
Sold For $1,186
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Chrome mechanical pencil attested as flown on STS-51-B, measuring 5˝ long, engraved on the barrel with NASA part numbers: "SEB 12100081-301, S/N 1041." The pencil features an integrated pocket clip, and a white swatch of Velcro affixed at the end; a twisting motion advances and retracts the lead. In very good to fine condition, with moderate wear to the body.
Attested as flown by the William E. Thornton estate.
From the William E. Thornton Collection.
