1879 P Trade Dollars $1 (One Dollar) Proof
| Sub Type | Coins |
| Country | United States of America |
| Denomination | $1 (One Dollar) |
| Series | Trade Dollars |
| Year | 1879 |
| Mint | Philadelphia |
| Production Type | Proof |
| Diameter | 38.10 |
| Weight | 27.22 |
| Type | Coins |
| Material | Silver |
| Mintage | 1,541 |
| Currency Amount | 1.00 |
| Year Display | 1879 |
| Height | 0.00 |
| Currency | USD |
| Mint Mark | P |
| Width | 0.00 |