521. Butterflies

A series of six 100-piece puzzles featuring species of butterflies. These were sold either singly or in a gift pack of all six items.

Descriptions of each butterfly are on the box bases in four languages.

Two puzzles are illustrated. Others in the series are for which examples would be welcome:-

521. The English Swallowtail
521. The Orange Tip
521. The Common Jezebel
521. The Common Blue