S in the runouts (engineer initials) looks like this _/‾¯, where left side is an underscore for G and right is an overscore for V
Both the Tyson 12" are reissues from the nineties. I am guessing Peter Brown didn't own an OG copy of the 12" to copy so used the 7" to fashion a new label.
If you look at the label you can see it is a modern pressing