SH - may be Simha Herzog. If so, it was made in 1920th, probably, as the Shabbath candelstick, one from the pair. The round hallmark had been used as additional, for the small pieces added to the main one.
This decor, probabely, was born in the Russian Empire as the adoration for the Jewish kiddush cups for Pesach (the town on the cup is simbolical image of Jerusalem). Had been istributed in Central Europe via cups from the Israel Zachoder's factory, finally, it was gain a big popularity and copyed by...