David LengyelI had this Wild Weasel with the catalogue number PT9, which was probably released in 1989 along with Cunningham's F-4J. It has beautiful engraved lines. Since this FG Mark 1 is 2 years younger and contains new parts, I'd say it has also negative lines.
scalemates.com/products/product.php?id=1653391 May 2014, 10:02