KD sand tee molds are made from thin aluminum. They are sometimes
found dented or dinged up because thin aluminum is not the strongest
material. This example, however, is in pristine condition, with the
spring loaded plunger still in perfect working order. After loading up
the mold with wet sand, just place the mold on or just above the ground
and push down on the top of the tee. The plunger will move down,
dislodging the newly formed sand tee onto the ground. Then place the
ball in the small depression left in the top of the sand by the slightly
The top of this plunger on this mold is marked "K-D Mfg Co,
Lancaster, PA" and the bottom of the plunge inside the cone is marked "Pat Apld For"
This references the US Patent (No. 1,616,908) issued on
February 8, 1927, to Harry W. Kulp, the inventor of this sand tee mold. Most of the K-D molds are marked with the actual patent number. This one was obviously made before those.