Shop › "Danaus plexippus" Butterfly - Original Image 1 of 2 Image 2 of 2 "Danaus plexippus" Butterfly - Original $70.00 Original watercolour painting on cotton paper of the Monarch butterfly.Size: 5.5 in or 14cm diameter. Add To Cart Added! Original watercolour painting on cotton paper of the Monarch butterfly.Size: 5.5 in or 14cm diameter.