I am always curious about coins that are unfamiliar to me. I agree that the "odd" coins are probably silver value. The four Peruvian coins peaked my interest and I think they have some collector value in higher grade. I researched the dates on the sol and half sol. I believe these are common dates. But, I did not see the dates on the two smaller coins. I turned these coins down since I was completely unfamiliar with them. It looks like the total melt value (according to the NGC web site) is a little over $22 for the four Peruvian coins. I was offered all seven coins for $45. Which probably isn't a bad price since the Marino coin at $18 + $22 = $40. The other two probably have a melt value of around $12-$14 each. But, I'm sure they would be difficult to sell if I ever got tired of them.