Large Silver Cup Unidentified

[JoyousParkin]

No idea where this cup might be from, it does say Emmanuella engraved on it, its quite heavy but large. Here's the marks

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[Qrt.S]

It is a dizzy mark and upside down but my guess is that it is an Astro-Hungarian hallmark from 1826-66, Vienna (A) and shows 13 Lot of silver. Unfortunately you cannot see the year. Try a good magnifying glass. I Divis' book you will find it on page 226 (depending on its language). In English Tardy on page 62 up left first mark.

[dognose]

Following on from Qrt.S's conclusion, the maker is, perhaps, Mayerhofer & Klinkosch (Stephan Mayerhofer and Carl Klinkosch).

Trev.

[Qrt.S]

Not bad Trev., cooperations pays out :-)))))