I have a friend who loves etegami, but never paints them herself. She absolutely cannot resist buying cute postage stamps in the latest design whenever she comes near a post office. I benefit from this addiction because, each time she succumbs to it, she sends me a couple sheets of her latest purchase. I always reply to her with a thank-you etegami using one of her stamps. Win-win.
Etegami (e= "picture"; tegami= "letter/message") are simple drawings accompanied by a few apt words. They are usually done on postcards so that they can be easily mailed off to one's friends. Though etegami has few hard-and-fast rules, traditional tools and materials include writing brushes, sumi ink, blocks of water-soluble, mineral-based pigments called gansai, and washi postcards that have varying degrees of "bleed." They often depict some ordinary item from everyday life, especially items that bring a particular season to mind.