This is a small, beat up, slot glass that's only about 4"x6"

It doesn't say Frontier on it. But...several of our slot glasses are from Reno, purchased at an antique shop in Reno. The people at the shop mentioned that the owner of the booth worked for the Nevada gaming commission. The sticker on the slot glass said it was from the Frontier, and I figured the guy knew what he was talking about.