Sabrina and her attendants – leaping pink salmon and her sister water nymphs – are surfing the Severn Bore. The border decorations make reference to the Roman mosaic at Lydney and, by association, to the Celtic God Nodens, god of healing and of the sea. The beast heads are the tail heads of the sea monsters as depicted on the Lydney mosaic. The side borders have eels, willows and rushes in honour of one of Sabrina’s speeches in John Milton’s poem Comus (1634):

(Sabrina rises, attended by Water-nymphs, and sings.) 

‘By the rushy-fringéd bank, where grows the willow and the osier dank, my sliding chariot stays, thick set with agate and the azurn sheen of turkis blue and emerald green’