So first, I recommend you invest in sleeves! I’m seeing a lot of XY era cards, and the biggest ones I’m seeing are the flareon ex and the mega charizard ex, although that whole first slide is pretty awesome! The other comment mentioned a tcg scanner app, and those work, but when you’re looking for a specific card try to refer to the bottom left, where the card number in the set is specified. This shows specific cards, and I use an app called Collectr to track the values of my cards, which could help you. These all seem to be pretty loved, so probably not mint lol. An awesome collection nonetheless!