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Counterfeit Penny trinket
Counterfeit Penny is an unlockable trinket in The Binding of Isaac.
Description
Picking up a coin has a chance to increase the coin's value by 1.
The chance is based on the coin's worth:
• 
Penny: 50% chance.
• 
Double Penny: 75% chance.
• 
Nickel: 96.88% chance.
• 
Dime: 99.9% chance.
Can be dropped from Special Shopkeepers, Golden Poop, killing a Beggar, or winning a Shell Game.
Note
This page shows information as of the latest Repentance release.
To see latest up-to date information about this trinket for the new Repentance+ (Online Co-op) DLC, check this page instead.
How to unlock?
Play the 
Shell Game or 
Hell Game 100 times.
Item pools
Counterfeit Penny can be found in the following item pools:
| Name | Weight |
|---|
Special synergies
The following special synergies and interactions for Counterfeit Penny have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | No effect. |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the trinket description on the external Isaac Wiki.
Bloody Penny 
Burnt Penny 
Flat Penny 
Tick 
Isaac's Head 
Maggy's Faith