The easy way to tell them apart from the other HR Roulettes is the Number 1 or Number 2 on the chip.
I have seen them for sale at the Chip Shows for $300 to $400 a piece in used condition. I have never seen them for sale in uncir.
condition until I purchased this set.

If you get in collecting HR, you should purchase Allan Anderson's "Almost Everything Hard Rock" Book.

Chris Graham, R-6754