Fig. 2. Comparisons of original samples and replicas obtained by a forensic microscope. In (A), a single groove of the bullet 98FS-1 is compared to its own replica;
in (B), corresponded parts of groove of two replicas of the same bullet are aligned to show their reproducibility;
in (C), the cross-comparison between a replica (on the left 98FS-1 _groove no. 4) and a bullet (on the right 98FS-2_groove no. 4) is reported while (D and (B) two replicas (on the left 98FS-1 groove no. 4 and on the right 98FS-2 groove no. 4) are compared.