Decimal Coinage

Copper or Bronze

Milled Coins    Weights And Sizes

Milled coins are those produced on a machine press and have a regular size. This process became standard around the time of Charles II in the middle of the 17th century. Test milled pieces were made in the reign of Elizabeth 1st and Charles 1st. Prior to that coins were made by hand hammering and as there was no collar the size of the coin was irregular. The term milled is also applied to the lines on the edge of the machine-made coins which were introduced to prevent the practice of clipping silver or gold from round the edge.

 

13.5 mm 1.2 g Quarter Farthing
15.0 mm 1.0 g Bronze Third Farthing
16.0 mm 1.5 g Copper Third Farthing
17.1 mm 1.8 g Decimal Half Penny
18.0 mm 2.4 g Copper Half Farthing
20.0 mm 2.8 g Bronze Farthing
20.3 mm 3.6 g Decimal Penny
22.0 mm 4.7 g Copper Farthing
22.0 mm 5.0 g Early Copper Farthing
23.0 mm 6.0 g 1799 Farthing
25.0 mm 5.7 g Bronze Halfpenny
25.9 mm 7.1 g Decimal Two Pence
28.0 mm 9.3 g Copper Halfpenny
29.0 mm 10.0 g Early Copper Halfpenny
30.5 mm 12.5 g 1799 Copper Halfpenny
31.0 mm 9.4 g Bronze Penny
34.0 mm 18.8 g Copper Penny
36.0 mm 28.3 g 1797 Penny
41.0 mm 57 g 1797 Two Pence



    

11.0 mm 0.5 g Maundy Penny
12.0 mm 0.5 g Early Maundy Penny
12.0 mm 0.7 g The Penny-Halfpenny
13.0 mm 0.9 g Maundy Two Pence
14.0 mm 1.0 g Early Maundy Two Pence
                                                                                 
16.0 mm 1.4 g Three Pence
16.0 mm 1.9 g Four Pence or Groat
17.0 mm 1.5 g Early Three Pence
18.0 mm 1.9 g Maundy Four Pence
18.0 mm 3.3 g Decimal Five Pence (small)
19.0 mm 2.0 g Early Maundy Four Pence
19.0 mm 2.8 g Sixpence
21.0 mm 3.0 g Early Sixpence
21.4 mm 5.0 g Decimal Twenty Pence
24.0 mm 5.7 g Shilling
24.0 mm 5.7 g Decimal Five Pence (large)
24.5 mm 6.5 g Decimal Ten Pence (small)
25.5 mm 6.0 g Early Shilling
27.0 mm 7.4 g 18 Pence
27.3 mm 8.0 g Decimal Fifty Pence (small)
28.0 mm 11.3 g 1849 Godless Florin
28.5 mm 11.3 g The Florin, or Two Shillings
28.5 mm 11.3 g Decimal Ten Pence (large)
29.5 mm 11.3 g Jubilee Florin
30.0 mm 11.3 g Gothic Florin
30.0 mm 13.5 g Decimal Fifty Pence (large)
32.0 mm 14.1 g Half Crown
34.0 mm 15.0 g Early Half Crown
35.0 mm 15.0 g Three Shillings
36.0 mm 22.6 g Four Shillings
39.0 mm 28.3 g Five Shillings (or Crown) - dated before 1970
39.0 mm 28.3 g Decimal 25 pence (or Crown) - dated between 1971 and 1984
39.0 mm 28.3 g Decimal 5 pounds - dated after 1985
39.0 mm 30.0 g Early Five Shillings (or Crown)


21.0 mm 6.8 g Three Pence
22.5 mm 9.5 g Decimal One Pound
28.4 mm 16.0 g Decimal Two Pounds (Commemorative)
Brass/Cupronickel Bimetallic

28.4 mm 12.0 g Decimal Two Pounds        (Circulation issue)

Brass

Silver (or Cupronickel

16.0 mm 2.1 g Quarter Guinea
17.0 mm 2.8 g Third Guinea
19.0 mm 4.0 g Half Sovereign
20.0 mm 4.2 g Half Guinea
22.0 mm 8.0 g Sovereign
25.0 mm 8.4 g One Guinea
28.0 mm 16.0 g Two Pounds
                        
31.5 mm 16.8 g Two Guineas
37.0 mm 40.0 g Five Pounds
37.0 mm 41.9 g Five Guineas
38.0 mm 39.0 g 1826 or 1839 Five Pounds

Gold

King Charles II 1684 Two Guinea Gold Coin

King William II 1699 Five Guinea Gold Coin

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Text Box: Updated on 19/12/2013
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