Hello ECC! I am presently selling unique banners through my town, WizardCity! I make upon request and have fairly reasonable pricing:
Plain Banner: $90
Decorated Banner: $110
Letter or Country Banner: $135
Also, for ever additional banner you purchase you get -$10 towards your final price!
All you have to do is pm, mail or message me and tell me to "Take me to your banners!" or something along those lines :).
Residents of my town also get -$10 in their total cost!

Come, check it out! Ask around, people love the banners!