S.P.E.W. Badge_Multi-coloured

" Inside were about fifty badges, all of different colours, but all bearing the same letters: S.P.E.W.
'Not spew,'said Hermione impatiently 'It's S-P-E-W. Stands for the Society for the Promotion of Elfish Welfare' "

I've been working on my own designs for S.P.E.W. badges. Here's some!

The picture used is a chapter art image by Mary Grand Pré.