Price   .....................................  $20.00 plus shipping
RC Boat Company 1/8 scale epoxy fiberglass canard part# SG1300W. This design was started around 1995.
The canard is used to adjust how the front end flies over the water.  
Two piece
Canard Measurements 12-1/2" L x 3-1/2" W  
www.RCBoatCompany.com