Recently, while traveling in upstate New York to deliver a presentation on flexographic printing press machinery, I met with a group of package printers from Ukraine.After our visit, the printers gave me a bottle of vodka in a box to which a music cassette was attached. As we sampled the gifts together, I noticed a unique label on the bottle that was visible on both sides. The Ukrainians also had reproduced this reverse-printed image on the box and on the inside of the cassette case…