Dating the final IE unity

[Vidhyanath K. Rao]

JoatSimeon at aol.com wrote:
> A pity the Sinashta charioteers didn't write their word for "one
> hundred" on the bronzework of the horse-harness,

I will appreciate a reference where I can examine photographs of the
said bronzework of these harnesses. [The only thing from
harness/bridling I have seen photos of are the cheekpieces. I don't
remember of the top of my head if these were bronze or bone.]