Obverse
Fifth crowned portrait of HM Queen Elizabeth II facing right.
Lettering: ELIZABETH II∙DEI∙GRA∙REG∙FID∙DEF∙2017∙ J.C
Reverse
Lettering: SIR ISAAC NEWTON FIFTY PENCE S E I T F H C AW
Extended information
Denomination
Currency
Metal
Copper-Nickel
Ruler
Weight
8 g.
Diameter
27.3
mm.
Thickness
1.8 mm.
Alignment
Medal ↑↑
Shape
7-sided
Edge
Plain
