Henry Hughes, who operates a department store, executed the following instrument: $2,600 Chicago, March 5, 2011 On

Question:

Henry Hughes, who operates a department store, executed the following instrument:
$2,600 Chicago, March 5, 2011
On July 1, 2011, I promise to pay Daniel Dalziel, or order, the sum of Twenty-Six Hundred Dollars for the privilege of one framed advertising sign, size 24 × 36 inches, at one end of each of two hundred sixty motor coaches of the New Omnibus Company for a term of three months from May 15, 2011.
Is this instrument negotiable? Explain.