Optically Variable Patch Jasper
Integrated optically variable security element, which comprises:
The result provide holographic effect when tilted, that is enhanced by a latent image produced by embossing which is not visible without tilting (fig. 1).
a
b
c
Fig. 1. Optically variable patch Jasper. 10 Libyan Dinars (2011):
a – without tilting; b – tilted; c – zoomed area of the element showing blind embossing