https://www.maravedis.net/
MARAVEDIS.net : Monedas españolas
maravedismonedas
https://www.novacoins.net/spfeiv1168ma9.html
SPAIN: Felipe IV (1621-65) 1662-Y 8 Maravedis, Madrid Mint; CCT-1163
SPAIN: Felipe IV (1621-65) 1662-Y 8 Maravedis, Madrid Mint; CCT-1163, C-5152