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Main Exhibits
Essays, Fancy Cancels, Postal History, etc.
3¢ Plate Characteristics
Telling them Apart
3¢ Platers Markings
Characteristic Notation
3¢ Orange Browns
Plates 1E, 1I, 2E, 5E, & "0"
Experimental OB's
from Plate 1L
Railroad & Agent Markings
On & Off Cover
Route Agent & Name-of-Boat Markings
On & Off Cover
Institution Markings
Academies, Colleges, etc.
Mis-Struck Markings
Arrival, Entry, Packet, Transit
"Mystery" Markings
One Hypothesis


Studies In Progress
The New York Domestic Mail 52-3 Cancel Revisited
"APL" for "APR" - New Discoveries
Resources
The 3¢ Study Group
Meets Bi-Annually
Essential References
& Philatelic Exchanges
Useful Links

Check 'em Out!
My Ebay Auctions




I n s t i t u t i o n  M a r k i n g s

from the Collections of Dr. Charles J. Di Como,
USPCS Secretary, Webmaster, & on the Board of Directors


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Univ. of Virginia,
Randolph Macon College, Va.
Maryland Agrl College, &
College of St. James

Oakland College, Mississippi
Chase-plated Covers
Oakland College, Missisippi
Chase-plated Covers

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Please direct your queries to:
Dr. Charles J. DiComo

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