Maybe that pearl is from Noah's private collection and he lost it while he was disembarking the ark at Mount Ararat? Sure it looks like putty, I mean, it was grinding away in his back pocket for a whole year! What with all the rushing to get the animals on board, I don't think he thought to bring along a change of clothes. Darn, poor guy, it's hard work putting together a decent pearl collection---only to lose one(and just when he spied dry land too), and then some mega-years later, it ends up in some guy's apartment in Sweden, on a table next to a pack of smokes. Sheesh.