yenko stripes...what were used as the templates ?

[brandon bowling]

yeah , i was looking to see what they used to make the pattern...i have a nos set , that belong to a friend of a friend. plain box , hand cut , (and some not that nice) on the 3m material.....the owner bought , supposedly, the last 2 sets that yenko had back in 81 , when he bought his turbo car.....also appear to be 2 white syc's in the box as well...headrest logo's...? owner is wanting to sell the set , and they appear to be useable....any ideas on a value? thanks