« Reply #1 on: July 20, 2019, 07:53:23 AM »
There are books that list serial numbers against the year they were made, or in a few cases if they were a lot sold to a specific branch, but I've never seen them list which serial numbers went to which units.
On a longshot you might try searching databases in the Czech Republic, but you'll have to do a lot of Google Translate to make headway or engage someone from there to help you.

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CZ24/27/38/40P/45/52, Vzor 50/70,75BΩ,75D Compact,P01/07/09,P10M/S/C/F(9mm,.45), Phantom,SP01 Tactical,Shadow 2 (Blue,Urban Gray), 82/83/85 PreB, 97BE,97BD,97BDE,100,1911A1, 2075D RAMI,452 American,550 Urban Counter Sniper,805 Bren S1,Drake G2,Duo,Z,vz24 8mm Mauser,FK 7.5 BRNO Field Pistol, PSD