**Great Britain - Introducing the decimal 'penny'** -

Similar concerns as faced by India must have plagued the British to changeover from a currency system that was established a millenia ago where the penny was 240th of the pound (Pound = 20 shillings; Shilling = 12 pence). In fact, Great Britain was quite late at this - decimalizing only in 1971, while most British countries/prior colonies had decimalised a decade earlier. Here's what they did after taking all the time:

a) Used the word 'new' on all the new pence coins. 'New' was dropped from coins after a ten year period in 1981

b) Used exactly the same size for the 5 pence, 10 pence coins as the pre-decimal 1 shilling and 2 shilling coins that had an exact equivalent in both systems. Both 5 pence and 1 shilling were 1/20 of the Pound. These shilling coins co-circulated with the new currency until 1990.

c) Introduction of new denominations, viz 1/2p, 1p and 2p. The decimal two pence was double the weight of the decimal penny, which was itself double the weight of the decimal halfpenny. This was so that the three bronze coins could all be stored together in bank bags and then weighed to determine their value. That is the historical reason why the two pence coin appears so outlandishly large for its worth these days.

**Rhodesia - **

Rhodesia planned to decimalize in 1970 with the new decimal dollar, was 1/2 the pre-decimal pound. Thus, 5 decimal pence (5p) = 1/20 decimal pound = 1/40 pre-decimal pound = 6 pre-decimal pence (6d). Interestingly, they pre-empted the decimalization and doubly denominated their coins. Thus, In 1964 itself, coins of Rhodesian pre-decimal pound were introduced for 6 pence, 1, 2 and 2½ shillings, marked as 6D, 1’-, 2’- and 2’6. These coins also bore a denomination in cents (5C, 10C, 20C and 25C, respectively). This allowed the old coins to continue as legal tender even after decimalization.

**New Zealand and Australia** - Similar case as Rhodesia where $2 = £1. For New Zealand, the new ten cent coin was also doubly denominated as one shilling. In addition, the 5c, 10c and 20c were the same size as the sixpence, shilling and florin that they respectively replaced.