| Flag of the Duchy of Lancaster | |
| |
| Adopted | (unknown) |
|---|---|
| Designed by | (unknown) |
| Proportions | Unspecified |
The flag of the Duchy of Lancaster, one of the two royal duchies in England.
Symbolism[]
The flag is the Royal Banner of England with a three-point label over the top, each containing three golden fleurs-de-lis.