Martin Holtzhey died in a city in the southwest of what country?
Martin Holtzhey: Martin Holtzhey (1697, Ulm – 1764, Middelburg), was an 18th-century German medallist and mint master, active in the Netherlands. Middelburg: Middelburg (] ) is a municipality and a city in the south-western Netherlands and the capital of the province of Zeeland.
Netherlands