Mandalay Bay, Shark Reef $5 chip, CG093014

http://chipguide.themogh.org/cg_chip2.php?id=NVLVMB&p=0101000000000000000010000&v=3839889555

Here's a fast link to the image: http://themogh.org/cg_pix/nv/093014.jpg

So both MOGH and TCR say this is limited to 1500...but there is nothing on the chip that would indicate that. It feels like a weird discrepancy. Any advice on how to figure this one out?