Here's the marker, looking from the south.
The plaque explains the origin and history of the marker, and notes the visit of the Marquis de Lafayette to Frederick in 1824.
The rock next to the marker commemorates Lafayette's 1824 visit. He had been involved in the American Revolution almost 50 years earlier.
Finally, here are the marker and the Lafayette stone from a different angle.
To learn more, go to Visit Maryland, Visit Frederick and Roadside America.