milan, italy, europe, sforza castle, castello sforzesco, biscione, serpent, signo, emblem, coat of arms, visconti, noble, nobility

11th act antique arch architecture arms art azure biscione bricks castello castle century charge city coat consuming crown decoration devouring duke emblem europe filarete fort fortification fortress francesco galeazzo heraldic heraldry house human icon iconic iconography insignia italy man medieval milan milano nobility noble ornament red renaissance retro serpent sforza sforzesco shield sign signo snake symbol symbolic tower travel viper visconti wall