Victorian Enamel Grand Tour order Brooch, Silver Plated, Vintage Landscape with River

An intriguing vintage enamel brooch because I can't work out where it depicts! Probably a European landscape as there are mountains in the background, possibly Austria or Germany. There is a large order domed building with 2 wings and it is beside a river with an ornate bridge. There was a name in the sky area but it looks like it has been deliberately scratched out and painted over. Possibly a souvenir from the Grand Tour undertaken by better off folk in the late 1800s!
It appears to be silver plated copper, as there is a little wear. The scene has been hand painted.
The back has a simple C clasp and is engraved ‘Agnes'.

Measurements: 36mm wide x 26 deep.

Condition: Some enamel loss and plating wear as described above. Secure C clasp.

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