Flag of Mieres, Girona, Spain. Red flag with a yellow hoist stripe as wide as 1/3 of the flag's length. Centred on the division line, two counterchanged keys crossed in saltire, separated from both top and bottom by 1/9 of the flag's height. Ratio 2:3. (Source: http://flagspot.net/flags/es-gi-mr.html)
Own work
Joan M. Borràs (ebrenc)