Polymer banknotes usually have very complicated backgrounds made up of different textures, colours and patterns. Even if you successfully develop fingermarks, visualising the prints can still be very difficult. Here’s one solution using a copper VMD process followed by Gel lifting and scanning.
When processing exhibits with VMD, occasionally you might find that you develop an outline of a print which contains limited ridge detail. This is when a 2nd or in this case a 3rd metal evaporation is worth a try to fill in the missing gaps! Here’s a great example of an initial Gold/Zinc […]