They are from top to bottom
4 maravedis Felipe IV 1625
2 maravedis Felipe II 1580's (I cant see the date) Minted in segovia
4 maravedis Felipe IV 1625
8 maravedis Felipe IV 1626 (minted in Segovia)
Fake from the 1600's Felipe IV 1628 (minted in Madrid)
Thanks for the compliments. I found 4 of them in less than 15 mins, I though it was going to be a small cache, but at the end it was only four coins.
The area its great, I will go back very soon.
Cheers