CATALOGUE UNITED STATES POSTAGE STAMPS. 57 



Government Printing Office: 

 1901-1904: 

 Lithographed. Perforated 12. 

 Yellow brown.* 

 Gray brown.* 

 Red brown.* 

 Dark brown.* 

 Orange brown.* 

 Imperforate. 

 Dark brown. 

 Orange brown. 

 1907: 

 Smaller seal. Perforated 12. 

 Blue.* 

 1912: 

 Rouletted. 

 Blue. 

 1913: 

 Perforated 12 by rouletted. 

 Blue. 

 1915-1917: 

 Perforated 12. 

 Blue on pink. 

 Black on pink. 

 Black on white. 



POSTAL SAVINGS. 



Bureau of Engraving and Printing: 



Watermarked double line U. S. P. S. 



1911: 



Perforated 12. 

 2c. Black.* 

 50c. Green.* 

 $1. Ultramarine.* 



Watermarked single line U. S. P. S. 



Ic. Dark violet.* 

 2c. Black.* 

 10c. Carmine.* 



There is a horizontal colored guide line through the center of the sheet 

 of all denominations. Vertical pairs exist showing the line between 

 stamps. 



