Antiques Roadshow

Appraisal: Watson & Crick Signed Double Helix

Clip: Season 21 Episode 12 | 4m 44s

Watch Francis J. Wahlgren's appraisal of a Watson & Crick signed double helix, in Salt Lake City Hour 3.

Aired: 04/17/17

Rating: TV-G

Video has closed captioning.

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