Flat Penny

Flat Penny is a trinket.

Effects

 * Gives a 50% chance of spawning a Key upon collecting any coin.

Synergies

 * Key Master - All non-red chests often contain money that can be turned into more keys to donate.
 * Key Bum - Trinket provides an easy source of otherwise uncommon keys.
 * Sack of Pennies - Every two rooms gives you an extra chance for more keys.

Trivia

 * Flat Penny is part of the group of penny-themed trinkets, including the Bloody Penny, Burnt Penny, Butt Penny, Counterfeit Penny, and Swallowed Penny.
 * Can drop out of special shopkeepers.