.
But, if you are talking of a gonfannon which is to be carried (4ft X 6ft max) you could make it yourself far cheaper. It is well within the capabilities of a normal sewing machine and a standard dining room table.

I can easliy make the banner itself, it is the design ON it that taxes my skills.
I could embroider it, but that would take forever. Painting I do not have a steady enough hand.
*sigh*