The stamps at left and right are very common stamps. The stamp in the middle is the same stamp as the other two ones. Somebody tried, rather crudely, to trim away the top and bottom row of perforations to turn it into a coil stamp. A real coil would truly be rare, hence a lot (and I'd say a lot) of people have tried to turn regular stamps into coil stamps this way..
On your bottom image, if you look at the upper left side of the photo, you can see perfs on the "coil", showing you that there were perfs on this stamp.
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