It was written on the backside of the Apa-Five 16 cover as indicated in the letter. There is no envelope but there is a letter of authenticity that came with it stating it's from the Tom Fagan estate.The actual letter does not have any issues other than the fold as shown. The item "FRANK MILLER 1973 Handwritten Signed EARLY LETTER" is in sale since Sunday, April 18, 2021. This item is in the category "Collectibles\Comics\Original Comic Art\Other Original Comic Art". The seller is "bakerfan" and is located in Kenmore, Washington. This item can be shipped worldwide.