All brand new stock in Taiwan.
The price is around USD 34 in Amazon.
https://www.amazon.com/Raspberry-Pi-MS-004-00000024-Model-Board/dp/B01LPLPBS8
I can provide 40% off that price if you are able to take 500~1000 set.
If you are interested, mail to ereport@sina.com for further discussion.
Cheers,