This is the product identity we ended up with. It was the most conservative way to go. To get there I began by investigating other approaches to the packaging. The sketches were made with student-variety markers on the kind of graph paper sold all over Europe. Click on image to enlarge.
On the left are sketches for Type 88, or square format film, and right, Type 108, rectangular film.
Variation using a stylized numeral 2
I added this page as an example of how side-tracked we can become when we lose sight of the big picture and waste endless hours as a dog might chasing his tail. It's a lesson very difficult to learn. Usually, we're forced to go back to the original design, and in this case I think it was the right move.