Recently we looked at this photo which showed part of the old sign at Mr. Hooper's Emporium:
Image from Facebook
A Big Bird Bridge reader alerted me to a full shot of the sign over on the AP archives:
Image from AP Images
This shows that the sign stuck around until at least 2005, here is what the sign looks like today:
Image from Google Street Views
Thanks again to Gill22 for sending me the link to the AP image. If you have any Sesame Place images, please share!