Originally Posted By: treblig1958
There's so many of them running around for sale and Winchester offered Simmons ribs on new guns. It may not increase the value but I can't see where that aftermarket addition would reduce the asking price, either.
Maybe so, so, but an original 1919 patent raised ventilated rib on a Model 12, worth waay more than a later one installed by Simmons in Olathe, KS--

"The field is the touchstone of the man"..