36 BULLETIN" 105^ UNITED STATES NATIONAL MUSEUM. 



Bureau of Engraving and Printing: 



Watermarked double line U. S. P. S. 

 1914: 

 Perforated 10. 



$1. Violet brown.* 

 There is a colored horizontal guide line through the center of the sheets. 

 Vertical paii's exist, showing the guide line between stamps. 



Watermarked single line U. S. P. S. 



1914: 



Perforated 12 by 10. 

 Ic. Green. 

 1916: 

 Perforated 11, 

 2c. Rose red.* 

 This stamp was issued as a perforation experiment and sold only at Wash- 

 ington. 



No watermark. 

 1916-17: 

 Perforated 10. 

 Ic. Green.* 



Ic. Deep yellow green.* 

 Ic. Gray green.* 

 Ic. Deep blue green.* 

 2c. Rose.* 

 2c. Rose red.* 

 2c. Carmine.* 

 3c. Violet.* 

 3c. Deep violet.* 

 3c. Gray violet.* 

 4c. Brown.* 



4c. Deep yellow brown.* 

 5c. Blue.* 

 5c. Deep blue.* 

 6c. Red orange.* 

 7c. Black.* 

 8c. Olive.* 

 8c. Yellowish olive.* 

 9c. Salmon.* 

 10c. Yellow orange.* 

 lie. Myrtle green.* 

 12c. Brown claret.* 

 15c. Dark gray. 

 15c. Light gray.* 

 15c. Pearl gray. 

 20c. Light bright blue. 

 20c. Ultramarine.* 

 50c. Lilac* 

 $1. Black brown.* 

 $2. Deep blue (1902).* 

 $5. Light green (1902).* 

 The $1, $2, and $5 have a horizontal colored guide line through the center 

 of sheet. Vertical pairs exist showing the guide line between stamps. 



