Caviar
Caviar is the pickled roe of the sturgeon fish, and considered one of the world’s great delicacies. It’s tricky to handle and package but, more significantly, it’s incredibly rare. According to the Guinness World Records, the most expensive caviar recorded is from an aged (possibly 100 year-old!) albino beluga sturgeon whose white caviar sold for about $34,500 per kilogram