Vintage pair copper pipe bookends modern statue set

Vintage pair of unique unsigned copper bookends. Look possibly homemade. Very cool modernist design with little holes at top for possibly adding candles? Vintage wear with tarnishing, spots and some patina to finish...have not been polished. *Please note photos 

Size approx:

6.25 in tallest

6.25 in widest

4 x 4 in base