I have one -- 1964 Topps Venezuelan Ken Boyer. I'm actually going to ship it with a bunch of other cards to SGC soon. Here is the front and back. The regular 64s have like an orangish back while the Venezuelans have a black back. I also provided a sample of the regular 64s.
And here is the regular back:
And here is the regular back:
PC: Cardinal Parallels/Rainbows of Pujols, Chris Carpenter, Molina, Lankford, Gibson, Musial, and Cardinal Prospects