The Use of Positive Matrix Factorization in the Analysis of Molecular Line Spectra from the Thumbprint Nebula

A holder for a golf ball marking plate or coin which is preferably mounted on the shank of a golf club such as a putter. The holder comprises a body member having a recess and lip combination on one side for releasably holding the marking plate. A recess on the opposite side of the body member conforms to the outer periphery of the putter shank and receives the shank when the holder is mounted thereon. The body member is further provided with a tape for securing the holder to the putter.