#O4P41873 6c Official Mail Stamp -Agriculture, yellow
$7.50- $12.00 #O59P41873 3c Official Mail Stamp - State, green
$8.00- $12.50 #O18P41873 6c Official Mail Stamp - vermilion
$9.50- $15.00 #O25P41873 1c Official Mail Stamp - Justice, purple
$7.50- $12.00 #O22P41873 24c Official Mail Stamp - vermilion
$7.50- $12.00 #O471873 1c Black, Post Office Department, Hard Paper
$12.75- $25.00 #O28P41873 6c purple, plate on card
$8.50- $12.00 #O23P41873 30c Official Mail Stamp - interior, vermilion
$7.50- $12.00 #O27P41873 3c Official Mail Stamp plate on card, purple
$12.00 #PR23P41875 96c Newspaper & Periodical Stamp - plate proof on card, rose
$11.00- $16.00 #O30P31873 12c Official Mail Stamp - Justice, purple
$19.00 #O63P31873 12c green, State Proof on India Paper
$28.00 #O82P41873 90c Official Mail Stamp - Treasury, plate on card, brown
$7.50- $12.00 #O1081879 3c Black, Post Office Department, Washington, Soft Paper
$10.00- $35.00 #O10P41873 1c Official Mail Stamp executive, carmine
$9.50- $15.00 #O29P41873 10c Official Mail Stamp -plate on card, purple
$12.00 #O31P41873 15c Official Mail Stamp - plate on card, purple
$7.50- $12.00 #O43P41873 24c Official Mail Stamp - ultramarine
$7.50- $12.00 #O32P31873 24c Official Mail Stamp - Justice, purple
$19.00 #O57P41873 1c Official Mail Stamp - State, green
$8.00- $12.50