The Lost Origins of Playing-Card Symbols. Cards have been used for gambling, divination, ... But how to account for the use of clover, acorns, leaves, pikes, shields, coins, roses, ...

The symbol used for Spades looks more like a leaf than a shovel, and the symbol for clubs looks more like a clover leaf. This is because every region of Europe had its own idea of the four suits.

YOU must have 20/20 vision if you can spot the four-leaf clover amongst the playing cards in this latest optical illusion.This tricky brainteaser. Jump directly to the content.

The challenge is to spot the four-leaf clover hidden among the playing cards. It's a bewildering, busy image and you have a very short 15 seconds to complete the task.

The challenge is to spot the four-leaf clover hidden among the playing cards. It's a bewildering, busy image and you have a very short 15 seconds to complete the task.