Need professional help. Big silver vase or plate

Hello, friends. Need help to identify this piece of art silversmith. This big silver vase have only mark KH 800
And 2 words on 1 leg Spazza and on another side Gaio, I’ve check it is Italian words. The weight in 949 gramm. I have red a lot of information but didn’t find such mark. Maybe someone know who is the master KH and what is the country of manufacture?

The 800 should stand for 80% silver that’s common in continental Europe. Other than that, I’d say it’s a centerpiece or possibly something to hold fruit. Hard to tell for sure (at least to me).

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