"Memory" by E. Prosser Rhys

LGSM Badges at National Museum of Wales, Cardiff. Designed by Jonathan Blake.

(Images: 1. 1985 badge, by W. Reeves & Co Ltd. 2 & 3. 2014 badges to commemorate 30th anniversary.) (source)

Plus some more LGSM badges from here: https://lgbthistorymonth.org.uk/lesbians-and-gays-support-the-miners-in-their-protests-for-coal-not-dole/