Oh Tomearly, If you think the shingles are indeed asbestos, please be careful! Much like cigarette smoke, it can getchya! Mansville, NJ was a hot spot for asbestos products.
Good luck to you, with your search in matching them, I hope you can find something nearly as long lasting. Again, please be careful near any fibers that can be sent airborne. The fibers fit about 100 across the cut end of human hair, so do not expect to see them, even with your glasses on.