"I became obsessed with the Valentine’s letter, trying to figure out how to fold it. Finally, after hours of folding, I did. Here are some pictures I had taken after the experiments. What I didn’t know was that the letters were called Victorian puzzle purses. If it is too hard to figure out how to fold via the images above, here is some further explanation from the origami resource center,"
http://annekata.com/2010/05/bright-star-and-the-victorian-puzzle-purse/