A museum-quality piece of flown astrophilately combining an exact-date anniversary cancellation

very small olivine and pyroxene blebs (most in the range 5-10 μm)

the sheet preserves the warmth of communication between home and orbit

Project Mercury

a pioneering orbital complex that became one of the defining achievements of Soviet and Russian human spaceflight

German pure Silver coin „Nebra disc“ philatelic presentation John Glenn A museum-quality piece of flownOfficial philatelic presentation by German post : Nebra disc Contains a stampsheet postmarked first day and a pure Silver 925 coin with a total weight of 18 gram ! Mint condition.