Backs are based on Dragon cards from Malta.
Also known as the Portuguese pattern, these Iberian origin cards were favorites of sailors, who carried them to Japan and further in the mid XVI century. Ornate cards feature dragons on the aces, as well as maiden "jacks", two of which are slaying dragons. Latin suited.
Portugal adopts as national standard, with late 15th century Iberian origins. These are based on Franco Flores fragments. 52 backed cards, including anachronistic tens and jokers. 8x5cm
Italo-Portuguese suited cards with coins, cups, and straight intersecting swords and clubs.
Latin courts with maiden "jacks", knights, kings, and aces.