Making method of old-fashioned envelope

1, an A4 card, folded in half at 10 cm on one side and 5 cm on the other side.

2. After the two edges overlap, press down to press out the crease.

3. Stick the double-sided adhesive tape to the lower edge and fix the lower edge.

4. Cut the edge down 1cm, fold it, cut off the folded side, and cut off the bevel on the other side.

5. Just fold the other side.

Look at the old envelopes that China used many years ago. Their types mainly include international envelopes, large envelopes, China envelopes, special envelopes, airmail envelopes and ordinary envelopes. They are different in size. Most envelopes are also printed with landscapes, flowers and birds, calligraphy, landscape photography, folk paintings and other patterns with colored, black-and-white or monochrome lines, among which there are many fine works, which are quite collectible.