[photo] See caption below for details.
Spur (left)
Brass. L 9.7, W 6.7, H 4.5 cm
The George C. Neumann Collection, Valley Forge National Historical Park, VAFO 1608

Stirrup (right)
Iron, H 15.1, W 12.1 cm
The George C. Neumann Collection, Valley Forge National Historical Park, VAFO 1292