Late 14th c. to early 15th c. shoulder defenses. Marked with a crown. 

Made of 1050 spring steel 20 ga.   

Very light weight.  Ready to wear with tabs to point to shoulders and a strap and buckle around the bicep.  These have pivoting rivets in the backs and leathers center and front for excellent mobility.  will fit a small to medium sized shoulder.  inquire to me about further sizing information.