Chemical Composition: XRF data from Tracer
Lock
Alloy: Leaded Copper
Alloying Elements: copper, lead
Other Elements: tin, iron, arsenic
Key
Alloy: Leaded Bronze
Alloying Elements: copper, tin, lead
Other Elements: iron, silver, antimony, arsenic
K. Eremin, January 2014
Technical Observations: The lock and key appear to be modern fabrications, as there is little evidence indicating antiquity. They are intact. The surfaces are covered with artificial light green, blue, and brown patina.
Henry Lie