The motifs on the cards:
Aglais urticae - Small Tortoiseshell
Aporia crataegi - Black-veined White
Polyommatus icarus - Common Blue
Vanessa carduii - Painted Lady
Inachis io - European Peacock
Anthocharis cardamines - Orange tip
Vanessa atalanta - Red Admiral
Boloria euphrosyne - Pearl-bordered Fritillary
The fine illustrations are designed by Peter Nielsen, author, artist, graphic designer and subject teacher at Design Seminar in Højer 1997-2002. He has had a studio at Ærø from 2003. His main emphasis is on visual and illustrative, which is seen in biological textbooks, instructional manuals and for decorations.
The cards are printed at a Swan-labeled company and made from environmentally certified FSC paper.
The envelopes are made of eco-friendly eucalyptus paper.