Posted By:
JimBHi Ted,
You could be right, but I think "granulated cut plug" refers to a type of cut of tobacco that can be applied for either cigarette tobacco or pipe tobacco and does not necessarily indicate one or the other definitively. See the link for a 1914 ad.
JimB
http://cgi.ebay.com.my/O-U-WISE-MAN-CUT-PLUG-SMOKING-TOBACCO-1914-PALMER-COX_W0QQcmdZViewItemQQitemZ200291465482>
edited for spelling.