is it sculpture or is it a plate

This was my 'lets celebrate the fact that I don't have breast cancer' day- I was due to go to the breast clinic today for biopsy results but they phoned me last week to say everything was ok. The bus tickets had been paid for so my sister and I went on a celebratory trip to Glasgow and we wandered round Kelvingrove Art Gallery and then the palm houses in the Botanic Gardens. This dish was in the Kibble Palace. I loved the structure and the colours