Thanks for your thoughts. I was planning on doing a letter for each autograph...but I am not sure about when I am sending them all to the same agency, if they each need a separate return envelope. Does the agency send the letters to one person who pulls all the photos and can return them in one enve...

I am trying to collect autographs (pp is fine) from the actors in Harry Potter. I noticed a couple of them use the same address. Would I be able to send all my requests in the same envelope? Should I include a single return envelope (with the irc's) or one for each request. This is for a charity sil...