Hey! I know these are not coins, but fascinating and beautiful never the less! First UP! What I was told was an ancient celtic clover button, I have no information besides that! It is beautiful, and very heavy with a huge loop. Celtic Button, PART 1
This item is a Roman horse harness decoration, 2nd-3rd century AD. Mine, shown below is 24 x 22 x 11 mm. It is harness decoration type B13 in Nicolay, Johann. Armed Batavians: Use and Significance of Weaponry and Horse Gear from Non-military Contexts in the Rhine Delta (50 BC to AD 450), in Amsterdam Archaeological Studies 11, 2007. SC