I have no idea what the old distributors or Burt charged for art back in those days.

HH had a good article with old price lists from TR King in club mag a few issues ago. There was a difference in prices for hot stamps and inlays.

I have several old catalogs from various distributors with prices but they are not handy.

If you meant the plainess of the art, it would not make a difference in price. Art is art.