An early Anglo-Saxon silver coin is known as a 'sceat' (plural 'sceattas') derived from Germanic words meaning treasure or wealth .  On average they measure 12mm diameter During the 9th century Northumbrian sceattas were debased to copper alloy, and are called 'stycas'

Eadberht King of Northumbria - 737-758

Ecgberht - Archbishop of York - 737-766

Series K. Type 33 - 710-760

Type 36 - 710-760

Type 72 - 710-760

Porcupine type - 695-740

Series Z - 680-710

Archbishop Eanbald - 796-835

Styca - Ethilred - 843-49