From the early Proterozoic (circa 2.5 billion years ago) the slice of Marra Mamba iron formation cut and polished, supported on chromed base.
17 x 14 x 4¼in. (43 x 35.5 x 10.5cm.)
The condition of lots can vary widely and the nature of the lots sold means that they are unlikely to be in a perfect condition. Lots are sold in the condition they are in at the time of sale.
In... read more