Its a Veledog
FL with sabers Manufactured by FRANKEN & LÜNENSCHLOSS
Simular as markings on this gun
R under crown means rifled bore used 1894 to 1968
PV under a stylize lion means its Powder without smoke used 1868 to 1968
q under a star is the coutermark of the controller
Your cylinder will have more markings and so will the frame under the grips..
That will be the inspector and assembler. It may also have a serial number.
The cylinder may also has the mark of the foundry..