"Not sure how to supply you with answers, or whether I am even eligible?"Check out this link for an e-mail address. I scanned my strip of 5 stamps and added a circle indicating the "hidden" letters with the relevant letter under the relevant stamp.
https://goscf.com/t/39416#334925I'm sure that by the time the puzzle closes you would have the number of posts required...
should that be a criteria. So, send it anyway.