US Schermack Control Perfins

Perfin Image
Cover
Number of Holes	9
Missing Pins	6-9
City	CHI
Company	National Fire Insurance Co.
1906 Series 314
1906 Series 320
1908 Series 343	4
1908 Series 344	34
1908 Series 345
1908 Series 346
1911 Series 383	1
1911 Series 384	13
1912 Series 408	3
1912 Series 409	17
Total Count	72
Total Count On Cover	16
Earliest Usage	3/25/1910
Latest Usage	1/31/1913
Comments	National Fire Insurance Co. operated out of Chicago and was one of the longer running companies using Schermack control perforations. Covers are known from 1910 until early 1913.