abc: ABC Auctions

ac: alan cohen

apscb: American Philatelic Society Circuit Book

am: Allen Miller Stamps

am: Amberman Stamp Co.

apsss: American Philatelic Society Stamp Store

ar: The American Revenuer

B

b: bottom

ba: Bel-Aire Stamp Auction

bach: Frank Bachenheimer

bd: Black Diamond Mail Sale

bejjco: Bejjco of Florida

blk(s): blocks

bm: Beaumont

br: Brookman Stamp Auctions

C

ca: Capital Mail-Bid Sales

cen: Century Stamps

cha: Chandler's, Inc.

che: Cherrystone Philatelic Auctioneers

chel: Chelsea Rare Stamps

chr: Christie's

cj: Cee-Jay Auctions

col: Colonial Stamp Co.

coll: collection

con: connexus

D

dau: H.J.W. Daugherty Philatelic Auctions

doc: document

dj: DJ's Stamps

dp: David G. Phillips Co., Inc.

dr: Richard E. Drews Philatelic Auctions

ds: David O. Semsrott

E

ea: Earl P.L. Apfelbaum, Inc.

ej: Eric Jackson

eoe: Elling O. Eide

F

fox: William A. Fox Auctions, Inc.

fss: Florida Stamp Sales

G

gb: Ira and Larry Goldberg, Auctioneers

gg: Gary Gross

gm: Greg Minning Calleries, Inc.

gs: Gilder Shop

H

h: Harmer's of New York

h, hor: horizontal

hs: Harmer-Schau Auction Galleries, Inc.

I

im: Ivy & Mader Philatelic Auctions, Inc.

ima: Ivy and Manning Philatelic Auctions

imp: imperforate

impr: imprint

irreg: irregular

iv: Steve Ivy Philatelic Auctions

J

jf: Jim Forte

jk: John W. Kaufmann Inc.

jlm: J. L. McGuire

K

kel: Daniel F. Kelleher Co., Inc.

kg: Ken Greenburg, Mr Stamps Collector's Gallery

kl: kevin la france

ks: Keystone

L

l: left

lip: Robert E. Lippert

ln: Linn's

M

ma: Michael E. Aldrich Auctions

mar: margin

maz: Jim Mazepa

mb: Matthew Bennett, Inc.

mj: M J Philatelics

mm: Michael Mahler

mo: Michael Morrissey

ms: Mountainside Stamps

ms: miller stamps

mw: Molesworth

N

nm: Nutmeg Mail Auctions

O

P

perfs: perforations

pg: The Perf Gauge

pl: plate

pp: Prestige Philately

Q

R

r: right

ras: Rasdale Stamp Co.

rb: Robert Barker

rb: Rupp Brothers Rare Stamps

re: Regency Stamps, Ltd.

reconst: reconstructed

rf: Richard Friedberg Stamps

rk: Robert G. Kaufmann Auction Galleries, Inc.

rlc: Robson Lowe Collection

rv: James J. Reeves

S

sc: Scott Auction Galleries

sc/dca: Stamp Center/Dutch Country Auctions

scr: Schuyler Rumsey Philatelic Auctions, Inc.

sf: San Francisco Stamp Co.

sg: Robert A. Siegel Auction Galleries, Inc.

sh: Sam Houston Philatelics

shr: Spink Shreves Galleries, Inc.

sht(s): sheets

so: Sotheby's

smp: stanley m piller

sp: Spink America

st: Stampazine

strp(s): strips

stw: Stamp Wants

su: Suburban Stamp, Inc.

T

t: top

tc: Ted Conway

tr: Tropical Stamps, Inc.

U

V

ven: Ventura Stamp Co.

v, vert: vertical

W

wla: William Langs

wo: Wonderlin

ws: Weiss Philatelics

X

Y

Z