All five of my entries for the Royal Society's exhibition have been accepted. This is really the best that I could have hoped for.
At first I thought that none of my pieces had been selected. Later I found all five codes listed on the Society's website under the Sculpture heading! I guess because these are enamel boxes they need to be exhibited in a similar way to sculpture.
Here's the five enamels with their titles:
Baby Orla (62mm x 82mm)