Hey Frank,
We haven't chatted in a while. Thanks again for all your help constructing the Colgan's checklist. I have a couple to add:
![](http://photos.imageevent.com/ltsgallery/memberfoldersko/myachelydra/colgans/1909%20E254%20Colganqus%20Chips%20Grimshaw%20_Louisville_.jpg)
I still have no idea about the Pietz variation. Its definitely printed on the same paper stock as the regular E254's but without the back (skinned reverse) who the hell knows?