Langbahn Team – Weltmeisterschaft

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The '''[[British Fifty Pence coin]]''' was issued on [[October 14]], [[1969]] in the run-up to decimalisation to replace the [[Bank of England#10/-|ten shilling note]]. The coin is minted from an [[alloy]] of 75% [[copper]] and 25% [[nickel]]. Note that the coin is not circular but an [[equilateral curve|equilaterally curved]] [[heptagon]] (seven-sided) to aid identification -- the sides are not straight but are curved so that the centre of curvature is the opposite apex of the coin, allowing the coin to roll freely and have its diameter measured correctly in [[slot machine]]s (see also: [[Curve of constant width|curve of constant width]]).
The '''[[British Fifty Pence coin]]''' was issued on [[October 14]], [[1969]] in the run-up to decimalisation to replace the [[Bank of England#10/-|ten shilling note]]. The coin is minted from an [[alloy]] of 75% [[copper]] and 25% [[nickel]]. Note that the coin is not circular but an [[equilateral curve|equilaterally curved]] [[heptagon]] (seven-sided) to aid identification -- the sides are not straight but are curved so that the centre of curvature is the opposite apex of the coin, allowing the coin to roll freely and have its diameter measured correctly in [[slot machine]]s.


This denomination has frequently been used for commemorative purposes, and consequently there are more design variations in this coin than in any other current British denomination. '''[[British Fifty Pence coin|(More...)]]'''
This denomination has frequently been used for commemorative purposes, and consequently there are more design variations in this coin than in any other current British denomination. '''[[British Fifty Pence coin|(More...)]]'''

Revision as of 01:24, 27 July 2006

File:50POLDBRITANNIA.jpg
File:50PENCE05.jpg

The British Fifty Pence coin was issued on October 14, 1969 in the run-up to decimalisation to replace the ten shilling note. The coin is minted from an alloy of 75% copper and 25% nickel. Note that the coin is not circular but an equilaterally curved heptagon (seven-sided) to aid identification -- the sides are not straight but are curved so that the centre of curvature is the opposite apex of the coin, allowing the coin to roll freely and have its diameter measured correctly in slot machines.

This denomination has frequently been used for commemorative purposes, and consequently there are more design variations in this coin than in any other current British denomination. (More...)