Some more advice:
Dip a goose quill into a glass of milk.
Then write Your name and credit card number onto a white and empty sheet of paper.
Then press it over with a hot flatiron.
You'll see!!!
Cheerio!
Peeter
Here's what you do Alan,
Scan both sides of your credit card and email the file to the
list...all of us with phone cams can try out your experiment and
hopefully prove you the grand vizier!
Cheers...Trevor
*//*