Junk mail, or mail art?

Here are two decorated envelopes ready to be sent to California, USA and New South Wales, Australia.

I hope the addressees don't think they're junk mail, but it's true that some 'junk' (old books, magazines, doilies and scraps) was used to make them.

One man's junk is another man's treasure. The first man being my husband, the second, me!

J is for 'Junk'.