Here's one that was on ebay recently. I didn't bid on it but I saved the pictures for reference. It looks like a brass frog stud on the scabbard and a non-functioning button like mine, but the hilt is plated. One of the grips has damage that makes me think they're made out of horn.

s-l1600 2.jpg (133.76 KB, 68 downloads)
s-l1600 3.jpg (121.21 KB, 68 downloads)