204 BULLETIN 105, UNITED STATES NATIONAL MUSEUM. 



Bureau op Engraving and Printing — Continued 



Surface printed by offset process — Continued. 

 1918 : Double impression . 



3c. Light gray violet, Type III. 

 3c. Purple, Type IV.* 



Printed on back. 

 3c. Bright violet. Type IV. 

 Imperforate. 



3c. Bright violet, Type IV.* 



Postage Due. 



jgjg. No ivatermarJc. 



Perforated 11. 



5c. Carmine rose.* 

 10c. Dull rose red.* 



Stamped Envelopes. 

 Mercantile Corporation: , 



JQ1 g . Wliite paper 



Ic. Green, die A, Head 1.* 



2c. Deep red, die B, head II.* 



2c. Vermilion, die B, head II.* 



2c. Vermilion, die G, head VI.* 



3c. Aniline mauve, die B, head II.* 



4c. Black.* 



5c. Deep blue.* . i 



^ Amber paper. 



2c. Vermilion, die B, head II.* 



3c. Aniline mauve, die B, head II.* 



4c. Black.* 



5c. Deep blue.* Buff paper. 



Ic. Green, die A, head I.* 



2c. Vermilion, die B, head II.* 



3c. Aniline mauve, die B, head II.* 



Blue paper 

 Ic. Green, die A, head I.* 

 2c. Vermilion, die B, head II. 

 3c. Aniline mauve, die B, head II.* 



Manila paper. 

 Ic. Green, die A, head I.* 



STAMPS OF THE INSULAR POSSESSIONS 



Philippines. 



r.UREAU OF Engraving and Printing: 



1917-1918- Watermarked single line P. I. P. S. 



Perforated 10. 



6 centavos deep violet.* 

 6 centavos deep lilac* 

 16 centavos olive.* 

 20 centavos orange.* 

 Perforated 11. 



6 centavos deep violet. 



No watermark. 

 2 centavos green. 



o 



