2023. Centenario Sorolla. 10 euros - Filatelia y Numismática Ogando
A Roman Coin Minted as a Salute to Julius Caesar's Assassination Is Up for Auction | Smart News| Smithsonian Magazine
Amazon.co.jp: Medieval European Coinage: With a Catalogue of the Coins in the Fitzwilliam Museum, Cambridge (Medieval European Coinage, Series Number 14) : Grierson, Philip: Foreign Language Books