Pieces of Eight is the eighth studio album by Styx, released on September 1, 1978.

The real de a ocho, also known as the Spanish dollar, the eight-real coin, or the piece of eight (Spanish peso de ocho), is a silver coin, of approximately 38 mm diameter, worth eight reales, that was minted in the Spanish Empire after 1598. Its purpose was to correspond to the German thaler.