Fig. 3
From: Finding counterfeited banknotes: the roles of vision and touch

One of the counterfeits in the test set. The different foil is particularly visible. The counterfeit mimics a EUR 20 banknote from the second series
From: Finding counterfeited banknotes: the roles of vision and touch
One of the counterfeits in the test set. The different foil is particularly visible. The counterfeit mimics a EUR 20 banknote from the second series