Original Museum Grade U.S. Civil War Gwyn & Campbell Type II Saddle-Ring "Union Carbine" - Serial Number 3772 Lock Assembly This occurred on December 2

This occurred on December 2

so this is definitely not a German marking

The right side of the receiver is simply marked STEYR 1897

The left shoulder features a lovely shoulder sleeve insignia

Original Museum Grade U.S. Civil War Gwyn & Campbell Type II Saddle-Ring "Union Carbine" - Serial Number 3772 Lock Assembly This occurred on December 2Original Item: One Only. "Museum Grade" is not a term that we use often at all, so we do not use it lightly. However there is no better description for the condition of this rifle. It is the best example we have ever seen of the rare II Gwyn & Campbell Saddle Ring carbine, also known as the "Grapevine Carbine" due to the snake like curves in the trigger guard lever and long hammer. We received this out of an old collection that was very well curated,