United kingdom 5 pence and 10 pence hobby coin set

Country: United Kingdom
Period: Queen Elizabeth II
Type : Standard Circulation coin
Year : 2011-2015
Value : 10 Pence & 5 Pence New pences
Composition: Nickel plated steel
Weight: 6.5 g & 3.25 g
Diameter: 24.5 mm & 18 mm
Thickness : 1.85 mm & 1.7 mm
Shape: Round
Obverse : Fourth crowned portrait of Queen Elizabeth II right, wearing the Girls of Great Britain and Ireland tiara, legend around
Reverse : Upper left section of the Royal Shield of Arms, denomination to upper segment