Moon rocks collected by NASA are illegal, but three pebbles collected by the Soviet Union just sold at auction.
"Le Marin," supposedly painted while France was under Nazi occupation, has been withdrawn by Christie's after accident.
Auction house Sotheby's named the jewels after the Greek twin divinities Apollo and Artemis.
Anne Frank inscribed the poem in Christiane van Maarsen's "friendship book" before she went into hiding in the Secret Annex.
Bidding will soon begin on a few priceless pieces, from Leo DiCaprio's go-kart driver's license to a space-age floor sweeper.
The same auction house this week pulled a Hitler painting after questions about its authenticity.