These could be Civil War-Era U. Cavalry Type "S" Curve Bit, ca. Note: We are unsure of the exact date or era. Large Heavy Bit Inside opening is approximately 5 wide.
Brass US Rosettes on both sides. Marking on one side indicating C & W and opposite side has a light stamped (MF) or (Me) not sure hard to identified.Very Nice in VG+ Condition. Looks like they have been cleaned and lightly touched up with paint. Feel free to ask any questions as we are know expert in this field.
What a great addition to any Military or Western Collection! Good Luck and thank you for looking!