Rafael Palmeiro, 1996 Upper Deck SP #35

I've been bolstering my Orioles collection lately by rooting through some el cheapo boxes provided by my friend (and bargain hunter supreme) Ed. One of the gems I added was this unusual Rafael Palmeiro card. I stared at it for a few seconds before I noticed that Raffy was standing on the mound and delivering a pitch...or at least pretending to do so. It seems pretty clear that he's clowning around in a practice session, though you have to admire his form. I'm not much of a scholar when it comes to pitching mechanics, but my crack research indicates that the slugging first baseman is flashing a four-seam fastball grip. Please correct me in the comments if you know better.