This beautifully marked moth is a day flying moth and its name refers to the heraldic cololours for black and white.
 
An original pen and ink drawing
 
Each drawing is signed and dated by the artist
 
Mounted in quality ivory mount and framed in a narrow black frame
 
Mount size 26cm x 27cm Aperture size 12cm x 12cm
 
Drawing size (actual size of moth drawing) 7 cm x 6cm
 
This drawing is also available as a card in my Etsy shop.