- Leeds, MA, Lisa and Leonard Baskin
- 1997, Gift of Lisa and Leonard Baskin to the National Gallery of Art, Washington
- Museum's website, 15 August 2011
- 2007 Pollard
John Graham Pollard, Renaissance Medals. The Collections of the National Gallery of Art Systematic Catalogue, 2 vols, Washington, 2007, vol 2, n. 868, repr.
See also the obverse of the medal: Flavius Gioia (the inventor of the mariner's compass, Naples, born c. 1300), by Vicenzo Catenacci, medal, obverse, struck by L. Taglioni, 1997.114.3.a.
www.comune.napoli.it, 19 January 2012: There was a series of medals by the Mint of Naples between 1830 and 1834. The idea of coinage was thanks to Lorenzo Taglioni (Neapolitan citizen, button manufacturer), who decided to dedicate 120 medals to as many distinguished men born in the Kingdom of the Two siciles; only 17 medals have so far been coined.