#O1P41873 1c Official Mail Stamp - agriculture, yellow
$7.50- $12.00 #O3P41873 3c Official Mail Stamp -Agriculture, yellow
$7.50- $12.00 #O55P41873 30c Official Mail Stamp - plate on card, black
$8.00- $12.50 #O5P41873 10c Official Mail Stamp - yellow
$7.50- $12.00 #O481873 2c Black, Post Office Department, Hard Paper
$12.00- $35.00 #O56P41873 90c Official Mail Stamp -post office, black
$8.00- $12.50 #O58P41873 2c Official Mail Stamp - State, green
$8.00- $12.50 #5681922 25c Niagara Falls, green
$0.95- $3,450.00 #O4P41873 6c Official Mail Stamp -Agriculture, yellow
$7.50- $12.00 #O80P41873 24c Official Mail Stamp - Treasury, brown
$7.50- $12.00 #O15P41873 1c Official Mail Stamp - interior, vermillion
$7.50- $12.00 #O67P41873 90c Official Mail Stamp - State, green
$7.50- $12.00 #O77P41873 10c Official Mail Stamp -Treasury, brown
$7.50- $12.00 #2711895 6c Garfield, DL Wmrk
$3.75- $370.00 #O42P41873 15c Official Mail Stamp - ultramarine, navy
$7.50- $12.00 #O60P41873 6c Official Mail Stamp - State, green
$15.00- $23.00 #2851898 1c Trans-Mississippi Exposition: Marquette on the Mississippi
$3.75- $150.00 #O53P41873 15c Official Mail Stamp - post office, black
$8.00- $12.50 #O57P41873 1c Official Mail Stamp - State, green
$8.00- $12.50 #O13P31873 6c Plate Proof - executive, carmine
$20.00