Hello. I think that this is certainly a L. Nitsh hallmark, the Krakow city hallmark is not clear, a little strange. What do you think? Regards https://images92.fotosik.pl/76/c4f04bffe7ac2bce.jpg https://images92.fotosik.pl/76/73898faa14d140f0.jpg https://images89.fotosik.pl/76/66a3e418a211b428.jpg