US Schermack Control Perfins

Perfin Image
Cover
Number of Holes	9
Missing Pins	1-9
City	DET
Company	Detroit & Cleveland Steam Navigation Co.
1906 Series 314
1906 Series 320
1908 Series 343	15
1908 Series 344	8
1908 Series 345
1908 Series 346
1911 Series 383	3
1911 Series 384	29
1912 Series 408
1912 Series 409	1f
Total Count	56
Total Count On Cover	13
Earliest Usage	7/26/1910
Latest Usage	10/9/1911
Comments	The Detroit & Cleveland Steam Navigation Co. a fleet of passenger ships that sailed the Great Lakes. This control pattern is known on cover until 10/9/1911. This company's covers from 1912 on have control pattern 149. Control pin 4 must have broke sometime in between.