I will have some grey leather seats (I believe Collingburn from the 80s) from a J2 available after I have the car re-upholstered in May. Let me know if you might be interested and I'll send some photos over..
Photos would be appreciated. I actually want grey for the salonette so not exactly J2 style but lets have look... might be able to use them as I only have to upholster the front seats. I have the original rears.