German goldsmith and enameller. He became master of the Augsburg goldsmith's guild in 1573, and a warden from 1587 to 1595. His talent as a goldsmith and enameller earned him great respect, and his patrons included Rudolph II of Prague, who had the mountings for a clock, his pistol and powder flask, and possibly his crown. Altenstetter became famous for pioneering the technique of low-cut enamel decoration in late Renaissance Augsburg. He is famous for his excellent silverwares. //