Quizzes & Puzzles7 mins ago
Coinage
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For more on marking an answer as the "Best Answer", please visit our FAQ.Which country are you talking about and which coins? In the UK the last coin I remember being introduced is the �2 coin but that was years ago! The �5 is proidcued every now and again to commemorate a special occasion.
The notes have all been changed in the last 10 years or so and shouldn't be changed again for a while.
The UK hasn't withdrawn any coins from circulation since the demise of the half (new) penny. New coins are constantly needed so the design on them changes from time to time to celebrate different anniversaries, etc. Bank notes wear out very quickly (a �5 note lasts about 9 months) so the opportunity to change note designs comes round even more often.
Chris
With regard to demonetisation (removal of coins from circulation) the last three coins to be so in the UK were because of changes in physical size - 50p in 1998, 10p in 1993 and 5p in 1990.
http://www.royalmint.gov.uk/RoyalMint/web/site/Corporate/Corp_british_coinage/Demonetisation.asp?menuID=-1&MenuItemID=48&MenuType=PAGE