Knights of Pythias skull & crossbone pendant fraternal

This little vintage pendant is from the fraternal group Knights of Pythias. It is gold colored (unmarked, but looks like real gold). It depicts a knight's helmet, and a skull and crossbones. It has a banner that says "K of P", and 3 colored triangles marked F, B, C. It's about 1 inch tall.

S/H $2.50 via 1st class to the US. International rates vary by location.