One silver and one silver plated, at least that's my understanding from the OP:
(the diameter of the first one is written twice)Silver
Metal: .999 Fine Pure Silver
Diameter: 34.9mm
Weight: 24 grams (0.85 Oz)
Diameter: 34.9 mm
Engraved serial number: No
Quantity: Limited to 100
Alloy:
Material: Zinc Alloy
Plating: Silver
Finish: Proof
Diameter 34.9 mm
Engraved serial number: No
Quantity: Limited to 200
There are three lots:
Lot 1- Pair of silver and alloy
Lot 2- Pair of silver and alloy
Lot 3- Pair of silver and alloy