26 BULLETIlSr 105^ UNITED STATES NATIONAL MUSEUM. 



Bureau of Engraving and Printing: 

 1901 — Continued. 

 Commemorative of Pan American Exposition — Continued. 

 5c. Deep ultramarine and black.* 

 8c. Brown violet and black.* 

 8c. Plum and black.* 

 10c. Yellow brown and black.* 

 10c. Orange brown and black.* 

 There are many varieties of misplaced medallions in this issue. 



Inverted medallion. 



Ic. Green and black.* 



2c. Carmine and black.* 



4c. Yellow brown and black.* 



Overprinted specimen in STnall black type. 



Ic. Green and black. 

 2c. Carmine and black. 



4c. Chocolate and black. . 



5c. Ultramarine and black. 

 8c. Brown violet and black. 

 10c. Yellow brown and black. 



Inverted medallion. 



4c. Yellow brown and black. 



There is a vertical colored guide line through the center of the sheets of 



all denominations of this issue, and horizontal pairs exist showing this 



line between stamps. 

 The 4c. inverted medallion was never regularly issued to the public; 



only the Ic. and 2c. were sold to the public through error, 

 1902: 



Ic. Yellow green.* 



Ic. Deep yellow green.* 



Ic. Light gray green.* 



Ic. Dark gray green.* 



Ic. Deep green.* 



Ic. Deep blue green.* 



2c. Rose red.* 



2c. Carmine.* 



2c. Rose carmine.* 



3c. Bright purple.* 



3c. Purple.* 



3c. Violet.* 



3c. Deep dull violet.* 



3c. Bluish violet.* 



4c. Orange brown.* 



4c. Red brown.* 



4c. Chestnut.* 



4c. Brown.* 



4c. Dark brown. 



4c. Yellow brown. 



5c. Blue.* 



5c. Deep blue.* 



5c. Indigo blue.* 



