The Sun Ablaze
Julia Whitney Barnes:
http://www.juliawhitneybarnes.com/gold-cyanotype-paintings/gold-hellebores-starburst
CYANOLILLIES:

Checkpoint
Watercolour paper:
https://www.atlantisart.co.uk/atlantis-giant-watercolour-drawing-paper-400gsm/
Perspex:
RHS
Julia Whitney Barnes:
http://www.juliawhitneybarnes.com/gold-cyanotype-paintings/gold-hellebores-starburst
RHS gardens: