Philatelic cover issued for 50 years anniversary of Space Corporation Energia named after S.Korolev flown on Soyuz TM-30 and MIR space station during last expedition.Cancelled with 4 onboard MIR handstamps on April 12, 2000.Large round handstamp is a stamp of MIR-28 Expedition Zaletin-Kaleri.Signed by crew Sergei Zaletin and Alexander Kaleri.Includes certificate signed by Zaletin.Second image depicts Zaletin with flown on MIR covers.
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