Very rare Apollo 11 Biological Isolation Garment patch, 4″ in diameter, from the personal collection of Apollo CMP Michael Collins, who has signed the reverse in black felt tip. This patch design was worn by the crew on their Biological Isolation Garments at recovery time and on their post-flight blue jump suits. In fine condition. Only a small number of these patches were produced; they were made available exclusively to the crew and NASA employees. Accompanied by a certificate of authenticity from Astronaut Central.
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