A list of Artists and information on some.

anon
These artists were probably not anonymous when they designed the poster, so it would be more accurate to describe them as unknown. If anyone can put an artists name to any of these posters I would be pleased to hear from them.
There are 29 images by anon in the sales section.
There are 39 images by anon in the view all section.
  Please note that not all of these artists are represented on this website, only the ones with numbers in the brackets at present.

A
Catti Aldo (5) ()
Cuno Amiet () ()
a
anon (39) (29)
A
Roland Ansieau () ()
Areel () ()
Jane Atche () ()
Aurac () ()
Marcellin Auzolle () ()
Ayes () ()
B
Ken Bailey () ()
Juan Balcera de Fuentes () ()
Maurice Barbey () ()
AL. Baylac () ()
Pierre Bellenger (11) (2)
Albert Bergevin () ()
Paul Berthon (1) (1)
Karl Bickel (3) (2)
Carlo Biscaretti (1) ()
Gino Boccasile () ()
Jacint Bofarull () ()
Robert Bonfils () ()
Pierre Bonnard () ()
M Bouchaud () ()
Lucien Boucher (3) (2)
Eugene Boudin () ()
Roger Broders () ()
Wim Ten Broek (4) (1)
Charles Leonce Brosse () ()
Donald Brun () ()
Firmin Etienne Buisset () ()
Butler (1) (1)
C
Gaspar Camps () ()
Leonetti Cappiello (203) (9)
Emil Cardineaux () ()
Adolfo de Carolis () ()
Roger Cartier () ()
Juan Vila Casas () ()
Adolphe Mouron Cassandre (43) (3)
Henri Cassiers () ()
Jean Dominique Van Caulaert () ()
Marc Chagall () ()
Pierre Chapuis () ()
Chem (1) (1)
Jules Cheret () ()
Eliol Ciol () ()
Christopher Clark () ()
Paul Colin (52) (1)
Jean Colin (26) (1)
Conchon () ()
Gordon Crosby (1) (1)
Nembhard Culin () ()
Cuspin (1) ()
D
Hugo Dalesi () ()
Salvador Dali () ()
d
E.H. de Hey () ()
D
David Dellepianne () ()
Henri Delval (1) (1)
Fortunato Depero (3) (3)
Dezy () ()
Joaquin Y Rafael Diaz-Jara () ()
Jean Gabriel Domergue (15) (1)
Albert Dorfinant (2) ()
Georges Dorival () ()
Driin () ()
Marcello Dudovich (20) (1)
Dumas () ()
Jean Dupas () ()
Leon Dupin (9) ()
E
Tom Eckersly (1) (1)
Edward M Eggleston () ()
Carl Erickson () ()
Kerne Erickson () ()
Esbe () ()
José Espert (1) (1)
F
Robert Falcucci (14) (1)
Pierre Falize (1) (1)
G Favre (6) (2)
Josef Fenneker () ()
Georges de Feure () ()
Carlo Fisanotti (3) ()
Pierre Fix-Masseau (23) (1)
Steve Forney (17) (4)
Maxime Fraikin () ()
Norman Fraser (11) (1)
G
Abram Games () ()
Zig Louis Gaudin (1) (1)
Francois Geo (2) (1)
Guy Georget () ()
O.K. Gerard () ()
Charles Gesmar () ()
John Gilroy (3) (3)
Milton Glaser (1) (1)
Donat Gouri () ()
George Goursat (8) (2)
Oskar Graf () ()
Kaspar Ernst Graf (1) (1)
Henri Gray (25) (2)
Rene Gruau (79) (8)
Jules Alexandre Grun () ()
Guerzan () ()
H
Charles-Jean Hallo (8) (1)
Edouard Halouze () ()
Geo Ham (3) (3)
Daniel Hernandez () ()
Edouard Herzig () ()
Francisco Hohenleiter () ()
Adolfo Hohenstein () ()
Ludwig Hohlwein () ()
Sandy Hook () ()
Emil Huber () ()
Iwan E. Hugentobler () ()
Gerold Hunziker (1) (1)
I
Louis Icart (1) (1)
Ivanov () ()
J
Jacomo () ()
Jaga (1) (1)
Brian James (2) (2)
Walter Jardine () ()
K
Peter Kelly (6) (1)
Gustav Klimt () ()
Alfred Koella (3) ()
Michael L Kungl () ()
L
Henri de Toulouse Lautrec () ()
Paul George Lawler (1) (1)
Tamara De Lempicka (3) (2)
Franz Lenhart (1) ()
Ernest-Louis Lessieux () ()
Herbert Leupin (62) (9)
Joseph Christian Leyendecker () ()
LF. (1) ()
Michel Libeaux (16) (1)
Dennis Loren () ()
Jose Lorenzi () ()
Lotti () ()
Charles Loupot (38) (2)
Lunel () ()
M
Manlio () ()
Franz Marangolo (1) ()
Georges Massias () ()
Georges Massiot () ()
Frank Mather Beatty () ()
Claude Maurel (18) (6)
Edmund Maurus () ()
Achille Luciano Mauzan (74) (1)
Vince McIndoe (2) (2)
Menard () ()
Jean Adrien Mercier (9) (2)
Lucien Metivet (1) (1)
Leopaldo Metlicovitz () ()
Georges Meunier () ()
Henri Georges J. I. Meunier () ()
Meyer () ()
Michielssen () ()
Migliorati () ()
Grace Mitchell (1) (1)
Ugo Mochi (1) ()
Paul Mohr (6) ()
Henry le Monnier () ()
James Montgomery Flagg (1) (1)
Herve Morvan (1) (1)
Alphonse Mucha () ()
Bruno Munari (1) ()
N
Nino Nanni (2) ()
Jacques Nathan-Garamond (16) (3)
Jean Raoul Naurac () ()
Ugo Nespolo (1) ()
Fred Neucomm () ()
Carlo Nicco () ()
Marcello Nizzoli (7) ()
Philippe Henri Noyer (2) (1)
O
Pierre Okley (1) (1)
John Onwy (3) (1)
Manuel Orazi () ()
Paul Ordner (1) (1)
P
Jean de Paleologue (55) ()
Juan Dapena Parilla () ()
Norman Parkinson () ()
Diego Patrian (1) (1)
G.W. Lennox Patterson (1) (1)
A Pecoud () ()
Edward Penfield () ()
Periber () ()
Roger Perot (5) ()
Celestino Piatti (4) (1)
Antonio Piatti () ()
Max Ponty () ()
Pozzi () ()
Henri Privat-Livemont (17) (1)
Tom Purvis (14) (1)
R
Jean Ramel (1) (1)
Fred Winthrop Ramsdell () ()
Paul Rand (3) (3)
George Redon () ()
Dan Reisinger (1) (1)
Aladar Richter (1) (1)
Norman Rockwell () ()
Harry Rogers (33) (30)
Hanspeter Rolly (1) ()
Erte Romain de Tirtoff () ()
A Roquin () ()
Rudd () ()
S
Enrico Sachetti (2) ()
Hubert Saget () ()
Sandor () ()
Noel Saunier (1) (1)
Raymond Savignac (2) (1)
Schupbach () ()
Sellheim () ()
Glen C Sheffer () ()
Primo Sinipico (1) ()
Roger Soubie () ()
Theophile Alexandre Steinlen () ()
Stephano () ()
Susan Stewart () ()
T
Francisco Tamagno () ()
Louis Tauzin () ()
Armando Testa (17) (4)
Arthur Thompson (1) (1)
J Tonelli (1) (1)
Fernand Toussaint () ()
V
Edmond Vadgrand (1) (1)
Roger de Valerio () ()
Pieter Van der Hem (1) (1)
Alberto Vargas () ()
Emilio Vila (11) (1)
Aleardo Villa () ()
Bernard Villemot (7) (7)
Rene Vincent (19) (2)
Raoul Vion () ()
W
Andy Warhol () ()
Norman Weaver () ()
Lucien Henri Weiluc () ()
David Osipovich Widhopff () ()
Ty Wilson (1) (1)
Robert Wolff (9) ()
Franz Wurbel () ()
Y
Jean D Ylen (48) (2)
Charles Yray (1) (1)
Z
Arthur Zelger (4) (1)