Coat of arms of the Prince of Spain

The Coat of arms of the Prince of Spain was set out in the Spanish Decree 814 of 22 April 1971, by which the Rules for Flags, Standards, Guidons, Banners, and Badges were adopted. == Blazon == The shield was divided into four quarters, blazoned as follows: 1st, gules a castle or, triple-embattled and voided gate and windows, with three towers each triple-turreted, of the field, masoned sable and ajoure azure, which was for Castile; 2nd, argent a lion rampant purpure crowned or, langued and armed, of the second, which was for León; 3rd, or, four pallets gules, which was for Aragon; 4th, gules a cross, saltire and orle of chains linked together or, a centre point vert, which was for Navarre; Argent enté en point, with a pomegranate proper seeded gules, supported, sculpted and leafed in two leaves vert, which was for Granada.

Source: Wikipedia — Coat of arms of the Prince of Spain (CC BY-SA 4.0)