Plates of 100 stamps - Perforated 12 - Issued July 3, 1873
Printed by the Continental Bank Note Company on "thin, hard" whitish paper
All of the stamps were issued in purple. The 1¢, 3¢, 12¢ and 90¢ stamps range in color from purple to dark purple. The 2¢ and 6¢ stamps range from light purple to purple. The 3¢, 6¢, and 10¢ stamps are found in a bluish purple as well.
The 3¢ and 6¢ Justice Official stamps were also issued in 1879 by the American Bank Note Company on soft porous paper. The stamps are distinguished by paper type, the Continental stamps are on thin hard paper and the American stamps on soft porous paper.
see: Bank Note Paper Types
Three Cent Justice Stamps
Scott O27 - Continental Bank Note Printing of the Justice Department 3¢ Washington stamp
Scott O106 - American Bank Note Printing of the Justice Dept. 3¢ Washington stamp - Bluish to deep bluish purple
Six Cent Justice Stamps
Scott O28 - Continental Bank Note Printing of the Justice Department 6¢ Lincoln stamp
Scott O107 - American Bank Note Printing of the Justice Dept. 6¢ Lincoln stamp - Bluish purple