https://plus.google.com/u/0/photos/102396176247280453443/albums/56901283709= 78141953?hl=3Den Someone gave me rolls of these bar codes. The human readable digits number= 11. I googled and have not found the answer yet. 99guspuppet --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .