This message was posted on behalf of Intel Corporation
Thank you for contacting Intel Customer Support.
The Intel® Desktop Board DH67CF was discontinued since January 2013, along with all its accessories (including the I/O shield)
You can try getting this board from a 3rd party such Amazon.com or eBay using the part numbers 1302-01SA000 or 1302-01QL000.
I hope this information helps.