186 BULLETIN 105, UNITED STATES NATIONAL MUSEUM. 



1911-1914— Continued. 



Watermarked single line P. I. P. S. — Continued. 



12 centavos red orange.* 



16 centavos gray olive.* 



16 centavos light olive.* 



16 centavos yellow olive.* 



20 centavos yellow.* 



20 centavos orange.* 



26 centavos deep sea green.* 



30 centavos ultramarine.* 



30 centavos pale ultramarine.* 



30 centavos gray.* 



30 centavos deep gray. 



1 peso deep lilac* 



2 pesos purple brown.* 

 4 pesos dark blue.* 



10 pesos dark green.* 



1916-1917: 



Perforated 10. 



2 centavos deep green.* 



4 centavos rose.* 



4 centavos rose red. 

 10 centavos deep bright blue.* 



SPECIAL DELIVERY. 

 1901: 



Overprinted on United States issue of 1895. 

 10c. Deep blue.* 



10c. Dark blue.* 

 10c. Indigo.* 



Special overprinting. 



1904: 



Special printing. 

 10c. Ultramarine.* 



Bureau of Engraving and Printing. 



1906: 



Watermarked double line P. I.^P. S. 

 Perforated 12. 



20 centavos, light ultramarine.* 

 20 centavos, dark ultramarine.* 



1911: 



Watermarhed single line P. I. P. S. 



20 centavos, light gray blue. 

 20 centavos, deep ultramarine.* 



1916: 



Perforated 10. 



20 centavos, dark ultramarine.* 



