To add to the item below that I posted, in this photo
http://picasaweb.google.com/
Angel Garcia Verona, Italy
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I've seen these, what appear to be, crude cloverleaf cutouts before. Perhaps
someone recalls? By the 1973/4 the cloverleafs were well defined
(see: http://www.wooljersey.com/
Angel Garcia
Verona, Italy