I don't know what the bank asked you. I think the key to the problem may not be the font "block letters", but your original handwriting, not your printed signature. As for the font, you should be able to tell it's your name. Most importantly, you need to tell the bank that this is your own signature, not someone else's. If something goes wrong in the future, the bank can say that you really mean it, and they are not responsible. You should consult the bank again, is that what you mean?