Yes, those are on the 69 only. there would be 12 on the car. I see them on eBay every now and them.
I bought a pair for my 68 from a guy that had the rear seat on eBay for $25.00. I emailed him and asked if I bought the seat would he cut out the emblem and the plate that is under the cover plus a couple inches of the material then keep the seat. He did and I was the only bidder.