1986, December 14 -- Voyager Around the World Flight (Unlisted).
Cover numbered 342 of 750 with multicolored printed design, with 44c stamp tied by "Edwards A.F.B. Dec. 14 AM 1986" circular datestamp, also tied by Dec. 23 receiving datestamp, signed by Dick Rutan and Jeana Yeager, Very Fine and choice, accompanied by fact sheet and certificate of authenticity as well as second cover with cachet from Voyager engineer test flight numbered 342 of 500 and also signed by Dick Rutan and Jeana Yeager and with similar certificate of authenticity, each with 1986 Bolaffi certificate
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