1878 P Shield Nickels 5 Cents Nickel / Half Dime Proof
| Sub Type | Coins |
| Country | United States of America |
| Denomination | 5 Cents Nickel / Half Dime |
| Series | Shield Nickels |
| Year | 1878 |
| Mint | Philadelphia |
| Production Type | Proof |
| Diameter | 20.50 |
| Weight | 5.00 |
| Type | Coins |
| Material | Copper-Nickel |
| Mintage | 2,350 |
| Currency | USD |
| Mint Mark | P |
| Currency Amount | 0.05 |
| Year Display | 1878 |
| Height | 0.00 |
| Width | 0.00 |