178 BULLETIN 105, UNITED STATES NATIONAL MUSEUM. 



STAMPED ENVELOPES. 

 1898: 



Surcharged on United States issue of 1887-1895. 



2c de peso on 2c. green on white paper, die B.* 

 2c de peso on 2c. green on amber paper, die B.* 

 2c de peso on 2c. green on buff paper, die B.* 



1899; 



Surcharged on United States issue of 1899. 



Ic de peso on Ic. green on blue paper.* 



Ic de peso on Ic. green on buff paper.* 



2c de peso on 2c. carmine on amber paper, die B.* 



2c de peso on 2c. carmine on buff paper, die B. 



2c de peso on 2c. carmine on blue paper, die B.* 



Plimpton & Morgan. 

 1899: 



i centavo green on white paper.* 

 I centavo blue green on white paper. 

 1 centavo yellow green on white paper. 

 1 centavo green on amber paper.* 

 1 centavo blue green on amber paper. 

 1 centavo green on buff paper.* 

 1 centavo green on blue paper.* 



1 centavo green on manila paper.* 



2 centavos carmine on white paper.* 

 2 centavos pink on white paper.* 



2 centavos rose red on white paper.* 

 2 centavos carmine on amber paper.* 

 2 centavos pink on amber paper.* 

 2 centavos rose red on amber paper. 

 2 centavos carmine on blue paper.* 

 2 centavos carmine on buff paper.* 

 2 centavos carmine on manila paper.* 

 5 centavos dark blue on white paper.* 

 5 centavos blue on white paper.* 

 5 centavos dark blue on amber paper.* 



