Burnt Penny
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Burnt Penny is an unlockable trinket.
Effects
- Gives a chance to drop a
Bomb when money is collected.
50% chance.
The chance is based on the coin's worth:[1]
| Coin | Chance |
|---|---|
 Penny
|
25.00% |
 Double Penny
|
43.75% |
 Nickel
|
76.27% |
 Dime
|
94.37% |
- Bombs may be any normal type with their respective usual chances.
- Only regular Bombs can spawn normally, but
Double Bombs can spawn with certain synergies.
Notes
- In addition to regular trinket drop sources, Burnt Penny may rarely drop from
TNT barrels, 
Special Shopkeepers, as well as a rare room with fires found in 
Depths. - Can show up in the Beans! challenge, without being unlocked.
- Can always appear in a specific room layout, even prior to unlocking it.
Synergies
BOGO Bombs/
Humbleing Bundle: All normal Bombs spawned by the trinket become Double Bombs.- Humbleing Bundle: All normal Bombs spawned by the trinket get a 50% chance to turn into Double Bombs.
-
Tainted Keeper: The trinket works with the temporary coins spawned from defeating enemies, effectively turning it into an infinite Bombs generator.
In-game Footage
Bombs 
 Penny Trinkets
|
|---|
| Trinkets |
 The Binding of Isaac: Rebirth
|
|---|
References
- ↑ The chance is calculated as 1-0.75(coin_worth)