This is a No Cash Value set of 4 chips issued at Harrah's Tahoe in the 1980's. There is a similar set which was issued at Harrah's in Reno. The 4 chips collectively have a "low-end" value of $85 in the current Chip Rack. The 3 sets available here are priced at $49 + $3 P&H, $52 total.

Drop me a note at pachipper@aol.com if you'd like to add this set to your collection.