The Collaborative International Dictionary of English v.0.48:

Tenpenny \Ten"pen*ny\, a.
   Valued or sold at ten pence; as, a tenpenny cake. See 2d
   Penny, n.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tenpenny \Ten"pen*ny\, a.
   Denoting a size of nails. See 1st Penny.
   [1913 Webster]