You are buying this Vintage NOS Monogram Card Partners Clamp On Card Table Drink Cup Holders (color Green). 

This is NOS in the box and produced in the 1950s (still comes with the original manual and hardware for attaching to your poker table).  T

his set of two can be used for most tables and is awesome for not crowding your table with drinks.  

THIS ELIMINATES TABLE TOP CONFUSION!

Now a practical solution to the problem of table top "confusion" is available to all card players.. 

CARD PARTNERS are easily fastened to any standard card table leg and, once in place, they contribute immeasurably to your enjoyment. 

 The box reads: 'When you use CARD PARTNERS, you'll have no fuss... no muss... no spilled ashes or drinks to threaten your fine rugs, furniture, and clothing. Each plastic tray has two deep wells for glasses, coke, ale, or beer bottles and generous extra space for an ash tray or other "extras."

Nice vintage condition  Only the box shows minor wear