From this dedicated page, you can see all the Butterflies available for sale through the Second Life grid.

(Only Butterflies Marked "ON SALE" from Owner appear here)

Before buying a butterfly you need to make sure that it works properly with your Hud and that its information is displayed well in your Hud!
Selling non-selectable Butterflies is strictly prohibited

What Kind of Butterfly are You Looking For?

Butterflies being shown as Register during an event are likely to carry the Limited Edition gene of this Event in a hidden gene (if it is not already in active gene).