Septenber 20, 1958s Master Lock Company, Milwaukee, Wisconsinse Dear Sirss The Department of Physical Education has a Master lock for which we have no csombimation, and I an wondering if you could help us out by sending the com- bimation. The number is Master 20357« ws are mable to use the lock as it is, and shall greatly appreciate _ your assistance. Sincerely yours, Director of Physical Education, Varsity Basketball Coach.