Pewter Pewter Pewter () is a malleable metal alloy. It is traditionally composed of 85–99% tin, mixed with copper, antimony, bismuth, and sometimes silver or lead, although the use of lead is less common today. Copper and antimony act as hardeners while lead is more common in the lower grades of pewter, which have a bluish tint. Pewter has a low melting point, around , depending on the exact mixture of metals. The word "pewter" is probably a variation of the word "spelter", a term for zinc alloys (originally a colloquial name for zinc). Pewter was first used around the beginning
Square Mouthed Vases culture Square Mouthed Vases culture The Square Mouthed Vases culture (Italian: "cultura dei vasi a bocca quadrata") is a culture of the Middle Neolithic period, widespread in northern Italy during the fifth millennium BC. The name comes from the characteristic type of vessel, which has a square mouthpiece instead of circular. The culture is divided into three different time periods, depending on the style of the pottery decoration: the oldest is known as the Finale-Quinziano and shows a decoration of small incisions and graffiti; the middle period or Rivoli-Chiozza is characterized by meander and spiral decorations; while the most recent phase,