Royal Gold Cup atau Saint Agnes Cup adalah sebuah emas padat yang melapisi cangkir yang dihias dengan enamel dan mutiara. Benda tersebut dibuat untuk keluarga kerajaan Prancis pada akhir abad ke-14, dan kemudian diberikan kepada beberapa penguasa Inggris setelah disimpan selama hampir 300 tahun di Spanyol. Benda tersebut berada di British Museum sejak 1892, dimana benda tersebut biasanya disimpan di Ruang 40, dan umumnya dianggap merupakan contoh terbaik yang masih ada dari plakat Prancis akhir abad pertengahan.
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Dalton, Ormonde M.The Royal Gold Cup in the British Museum. London: British Museum, 1924
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Stratford, Neil, in Baron, Françoise; Avril, François; Chapu, Phillipe; Gaborit-Chopin, Danielle; Perrot, Françoise. Les fastes du gothique: le siècle de Charles V. Paris, Galeries nationales du Grand Palais, Réunion des musées nationaux, 1981 (in French)– Catalogue of an exhibition including the cup (as the Coupe de Sainte Agnes)
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Ungerer, Gustav. Juan Pantoja De la Cruz and the Circulation of Gifts between the English and Spanish Courts in 1604/5. Shakespeare Studies, 1998
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Wilson, David M.The British Museum; A History. The British Museum Press, 2002. ISBN0-7141-2764-7
"Maryon (1951)": Maryon, Herbert. "New Light on the Royal Gold Cup". The British Museum Quarterly, Vol. 16, No. 2, April 1951.
Meiss, Millard. French painting in the time of Jean de Berry: The late XIV century and the patronage of the duke (two vols). Phaidon, 1967
Read, Sir Charles Hercules. The Royal Gold Cup of the Kings of France and England, now preserved in the British Museum. Vetusta Monumenta Volume 7, part 3, 1904