I have four CZ P-07 magazines that I no longer need. They were purchased from a forum member last year.
Two are 15 rounders with the factory flat base plates.
Two are 17 rounders which is basically the 15 rounder with a +2 extension. One of these has the newer orange follower and the mag body has several scratches.
I also have 4 additional +2 extensions.
Special Note: These are P-07 magazines from before the P-10C was released so they do not have the notch to lock them into the P-10C. They fit but won't lock-in. If you are handy with a Dremel then you could add the notch and use them with a P-10C.
As I am sure you know CZ magazines are expensive when you can find them in stock. The last ones I bought were $91 for two of them by the time I paid tax and shipping.
Since these are used and not the newer interchangeable ones, I'll let them go cheap $50 for two of them plus $5 shipping or $100 for everything and I'll pay for the shipping.