This is in relation to photography. It refers to films with images. However, the values of the image have been somewhat reversed. The effect is that the darker spots on the image would appear to be lighter when viewed from the film. This could also be vice versa.
Specialty Print Services
-
Foil Stamping
Discover the Art of Foil Stamped Printing with Print Peppermint What is...
-
Letterpress Printing
Letterpress - make a debossed impression with the classiest printing method around.