AI ~ Artistically Inclined Envelopes

We all need envelopes, right? These could be handmade, but don't have to be. What I'm looking for is some artistic fun using your envelope (handmade or otherwise) to express yourself. You could stamp, collage, paint, draw, just whatever you'd like, but it must be decorated, therefore, plain white/beige envies work well for this. Feel free to mix mediums too. Send 5 envies to your partner. It's sender's choice so you can start anytime. Minimum size would be your standard card/mailing envelope. Any larger is your choice. Mine are bigger.