Clark's Spool Cotton - O.N.T.

The Bad Boy in this pamphlet (4.125 x 3.625) uses Clark's label in all sorts of mischievous ways. The O. N. T. initials stand for Our New Thread. Clark used the O. N. T. in advertising in the 1880-1890 range.
For more information, see: http://www.textilehistory.org/ClarkThread.html.