Am looking at a few fine watercolor prints. Originals. The artist wants them mounted as a shadowbox with the print raised off the back piece. FomeCor cut 1/2 inch less than the print dimensions is what I'll use. Question is whether the Lineco hinging tissue, Abaca paper hinging tape or something similar will work as well as mulberry & wheat paste? The self adhesive types look as if they will be easy to work with but don't know how well they really last. Don't want thicker type of material as it too often later shows on the print surface. Those with experience - a preference here?