Obverse
Queen Elizabeth II and all the inventions by Leonardo da Vinci
Lettering: IRB ELIZABETH II 1 DOLLAR 2019 NIUE ISLAND
Reverse
A drawing of the invention with Leonardo's notes. Leonardo da Vinci is near the top of the coin
Lettering: AERIAL SCREW
Extended information
Year
Denomination
Currency
Metal
Ruler
Weight
31.1 g.
Diameter
37
mm.
Thickness
2.9 mm.
Series
Inventions of Leonardo da Vinci
Alignment
Medal ââ
Shape
Round
Edge
Plain
