old penny

Retronym for penny to avoid confusion with the new penny.

old penny (plural old pence or old pennies)

1. The pre-decimalisation United Kingdom penny, ¹⁄₂₄₀ of a pound sterling. Symbol: d
2. The pre-decimalisation Irish penny, ¹⁄₂₄₀ of an Irish pound. Symbol: d
3. A coin worth one old penny.

• new penny
• old money