Are you writing each address by hand? Printing the addresses straight on to the envelope, having a company print them for you, or hiring a calligrapher?
What did you do, and how did it go? Any tips to share?
Share pics of your finished envelopes if you can
Photo from imaginejoy calligraphie in Quebec
If you're trying to figure out how to write and format the actual addresses, make sure to read all about Envelope Addressing Etiquette !