PROJECT SIGMA UNIT PATCH (APCI-3433)

Wartime, Vietnamese hand embroidered, 5th Special Forces Group (ABN), Project Sigma (B-56) pocket patch that measures about 3 1/4 inches tall and has not been applied. This insignia is featured on the site specialforceshistory.com as artifact number APCI-3433 and will come with a letter of authenticity.