Die chip near 1921.
Uncentered core.
Mintage
2 dollars 2021 - Insulin : 1,000,000
Alloy: Outer ring: three-ply nickel finish plated steel; inner core: three-ply brass finish plated aluminum bronze
Weight: 6.99 g
Diameter : 28 mm
Designer: Jesse Koreck (reverse), Susanna Blunt (obverse)
Die axis: ↑↑