From The Blazon of Gentrie by Sir John Ferne (1586), p192

Blazon: Gules an eagle displayed chequy or and azure

“Do you find fault with it, because the Eagle, is not borne to her nature… That consideration is too too childish: and therefore, you shall abandon it.” – Paradius, the herald

Arms of Albacete, Spain (province)

In use since 1994

Blazon: Gules on the dexter two keys in saltire argent, joined in base by a chain sable (Alcaraz), on the sinister a winged hand or bearing a sword palewise proper (Villena); pointé in base argent a cross flory fitchy of the first (Santiago); overall in the fess point an escutcheon of the second, three towers 1 and 2 of the fourth windowed azure, in chief a bat of the third (Albacete)

 

None of the ordinaries have so uncertain an origin as the Chevron, which is so called from its expansion like the roof of a house, to which etymology Legh inclines when speaking of a person who bore three chevronels, ‘the ancestors of this coat hath built three great houses in one province.’

-From Inquiries into the Origin and Progress of the Science of Heraldry in England by James Dallaway, p457 (1793)