eBay
Description:
Nice large vintage pair of solid iron Jacks / Jax Bookends / sculpture, table art.  often attributed to George Nelson or Bill Curry, but unknown, as they are unmarked. 
(This auction is for the pair of black finish jacks)  Please look at my other listings for the other set in chrome finish.

Dimensions:
Each measures 7.5" end to end, and about 5" high, and weight over 4 lbs. 

Condition: 
Excellent without rust or pitting.   

Shipping:
Fixed shipping cost of $14 in the Continental USA (Tracking and Insurance included).  International shipping is also available, so please inquire.