Grandmother's silver....need help

Hi everyone. Just wanted to see if anyone knew any information about this. Year, anything…is it silver or what even is the first marking…? I’m lost. Thanks.
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This is an Egyptian hallmark. The first symbol indicates the silver standard (90/100 or .900). The second symbol is the National mark, in this case a cat, which was used before 1946 when it was replaced by a lotus flower. The letter H is a date letter and shows that the assay was in 1933/34.