Did you know? GDP in Cyprus (2019) (24.95 billion USD p/a) is 5 x GDP in Barbados (2017) (4.99 billion USD p/a)
Mass of a British gold sovereign coin (7.99 g)
/fact/mass-of-a-british-gold-sovereign-coin
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If this was a standard unit ...
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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