Neil Armstrong's LM PPK contained a bit of wood through the Wright brothers' 1903 Wright Flyer's still left propeller along with a piece of cloth from its wing,[eighty one] along with a diamond-studded astronaut pin originally specified to Slayton because of the widows on the Apollo 1 crew. Apollo https://ambiq-apollo301109.fitnell.com/67243080/apollo4-blue-plus-an-overview