It is all user submission... If you look at the 2 casinos where I run cages. Iowa - Harrah's, Horseshoe. Under Harrah's it does not list the $500 and $1000 chips. At Horseshoe it lists the $500 and $1000 with no pics, but does not list the $5000. Also not displayed Harrah's has new roulette chips and Horseshoe has NCV chips in $25, $100.

Most average collectors don't buy $1000, $5000 and higher chips, so they are not usually scanned and added. Paul Hegge is an exception - he buys them, scans them, and then returns them.