Constructed by E. W. Shineman, Jr. , treasurer, to commemorate his company's 75th (Diamond) Anniversary in 1966. It contains 5 special numbers:
75 - The anniversary. 18 & 91 1891 - The year the company was founded. 206 - Net sales in 1966 (millions of dollars). 244 - Net earnings (cents per share). 24 - combinations of 4 numbers sum to 1966.