Is it this one?...
http://www.specialservicemustang.net...ead.php?t=5098
Last year for "factory" vinyl roof was 1982. Of course anybody can put a vinyl roof on anything they want but it wasn't "factory" in 1990.
Bill: I just noticed LF144541's VIN Project page has the last digit in the VIN wrong. Should be 1 instead of 8.