Maybe photos are not perfect for identification, but some of you guys probably could help. Thanks.
Leitz PL Fl 4/0.14 (POL)

Leitz ICT NPL 25/0.50 (DIC)

Leitz ICT NPL 25/0.50 (DIC, stack)

Leitz ICT NPL 40/0.65 (DIC)

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