Uncommon early Apollo Block I astronaut boot restraints designed for Block I application. Restraints are comprised of two metal foot pans, each with tensioned-actuating upper restraints and a canvas ankle strap at the top of each set of levers. One foot pan is stenciled, “165316953, Aug 31 ‘65, Cleared for S. L. L.” Also included is the manually operated tension device for the active foot restraint system, 12 x 6.75, labeled, “V16–550507–2, 9/24/64.” In fine condition. A particularly early version, which was never actually used, as the Block II spacecraft had a passive foot restraint. RR Auction COA.