[1] The real (meaning "royal", plural: réis or [archaic] reais) was the currency unit of Portugal from around 1430 until 1911, when the First Portuguese Republic introduced the escudo following the 1910 Republican Revolution.
[6] In the second part of Jonathan Swift's Gulliver's Travels (1726), when Lemuel Gulliver reaches Brobdingnag, a land of giants, the Queen of that country offers to buy him from the farmer who first finds him: "He [the farmer], who apprehended I could not live a month, was ready enough to part with me, and demanded a thousand pieces of gold, which were ordered him on the spot, each piece being about the bigness of eight hundred moidores."
In Charles Lamb's "The Old Benchers of the Inner Temple", one of his Essays of Elia (1823), the author says of Thomas Coventry, "nor did he look, or walk, worth a moidore less".
Robert Louis Stevenson's Treasure Island (1883) includes a reference to "doubloons and double guineas and moidores and sequins".
In Sir Arthur Conan Doyle's The Sign of the Four (1890), Jonathan Small wonders "how my folk would stare when they saw their ne'er-do-well coming back with his pockets full of gold moidores" when justifying his decision to help end Achmet's life for the treasure he carried.