Differences in proofs to offset and coated stocks

[destryer]

We ran the same stock you mentioned. It's the only one certified for SWOP from a Agfa If you build press profiles and load them at your pressTP you should get the correct look of subdued d colors from matte, uncoated and gloss stocks when you build your color profiles. You have to explain to sales , marketing a and the client that the stock is a substrate the profile simulates the look of thei ink on paper.
Good luck you have a lot of arguing to do!