http://economictimes.indiatimes.com/slideshows/nation-world/british-pm-david-camerons-made-in-india-gift-for-manmohan-singh/slideshow/18588266.cms (http://economictimes.indiatimes.com/slideshows/nation-world/british-pm-david-camerons-made-in-india-gift-for-manmohan-singh/slideshow/18588266.cms)
CitatThe English Guinea — the first machine-struck gold coin in England that was the king of currencies there and in many parts of the world from the late 17th century to the early 19th century — is making a comeback in India. The Royal Mint of UK has licensed a local firm to produce the gold coins at a refinery near Delhi.
http://www.royalmint.com/our-coins/ranges/guinea (http://www.royalmint.com/our-coins/ranges/guinea)