You can count coins pretty fast with a bit of motivation.
If you have accurate scales, you can count by sorting and weighing. You can even mix 1p & 2p and 5p & 10p coins as those pairs have masses in the same ratio as their values. http://en.wikipedia.org/wiki/Coins_of_the_pound_sterling
If you have accurate scales, you can count by sorting and weighing. You can even mix 1p & 2p and 5p & 10p coins as those pairs have masses in the same ratio as their values.
http://en.wikipedia.org/wiki/Coins_of_the_pound_sterling