Vintage railway Empty Car Slips  - set of 2

1 Measures 3 1/2” x 8”
Chicago/st Paul/ minneapolis/Omaha ry. Co.  1915
Written on and stamped 

1 measures 3 1/2” x 9”
Piedmont and northern railway, no writing or stamps. 

Really lovely condition, cream paper with black or red type.