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1965 US Navy USN Sealab Experimental Underwater Habitats Patch & Ephemera. An original Sealab Patch and related envelopes mailed during the program’s operations and eventual cancellation along with some diving photographs. Only original Sealab patch I have seen for sale online that is not a reproduction. If you collect vintage diving timepieces this is a wonderful related item that will nicely frame your 1960’s diving collection.

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