During the 15th century, the English would often store coins within pygg pots or containers. During the 18th century these vessels became referred to as “piggy banks” which is where the modern day term is derived from. Piggy banks were called as such because of the pygg they were comprised of which is a type of clay, an inexpensive, orange colored earthenware clay used to produce everyday vessels within England from the 15th century onward (e.g. pitchers, cups, pots etc.). The primary reason for this is that metal has been costly all throughout history, due to the difficulty of sourcing and producing it from ore, and because of this expense, alongside the fact that pygg is more commonly available and found in larger quantities throughout England, the English public relied upon pygg containers to hold not only food and liquids but also spare coins and other small treasures
