mamaskeeto. I also printed your spreadsheet....thank you for sharing.
I still have all of my envelopes...86 cents was the charge for the majority and they were in cards....some cost $1.12 in cards but they were not as flat.... one cost 66 cents but can't remember if it was in card. a couple were laid out the size of the envelope and them wrapped in press and seal. At first, I had difficulty getting the seal open but by working slowly and carefully the edges did not ravel. Also some were laid very flat, slipped into a sandwich style bag, the zipper edge cut off and then taped closed. Now it's my turn to get mine in the mail for the next birthday Queen.....
Mary Ellen