BYW - the other pistol you have is a Langehan Model HERA pistol. Both in 22 LONG caliber. Lovely. Again... need any info. please mail me. Keep in touch with the Dutch - Kind regards, Arjan.
Wrote an article on the Venus pistol.. http://www.classictargetpistols.com/scheibenpistolen/germany/venus/#
Its really a wonderfull find. I you have any questions, please mail. me.
Regards, Arjan.