Black text on blue and yellow bi-colored flag that is imposed over a black illustration of Independence Hall on white background.
In 1926 Philadelphia hosted a sesquicentennial exposition to commemorate the 150th anniversary of the signing of the Declaration of Independence. Unfortunately, the exposition was unable to cover costs and went into receivership the following year.
Wilson, M. W. (n.d.). Sesquicentennial International Exposition | Encyclopedia of Greater Philadelphia. Home | Encyclopedia of Greater Philadelphia. Retrieved February 28, 2013, from http://philadelphiaencyclopedia.org/archive/sesquicentennial-internation...