As with any valuable item, it depends on various factors including age and quality. You can still purchase prints from most places online and from her website. This will reduce the value significantly as it is not something considered rare. What seems to be selling at high values online are the older and original paintings. The fact that your print is signed will obviously add some value but at this current time, not much.
- Average prices online
- Points to note before selling
- How to gain an idea of similar sales values