Si hay g en el artículo que significa marcadores de papel con brillo, por ejemplo EF7025 g

½ = hojas sueltas, por ejemplo, PZB 1052 ½

a = sobre o izquierda  una parte (hojas sueltas), por ejemplo PZB1076 a

b = derecha. en la parte (hojas sueltas)


MPL
Mamelok Press Limited, Inglaterra.
ca: 1955 a la actualidad (ex-PM)

Eric Olsson & Co  ("EO")
Eric Olsson & Co, Sweden, publisher and printer, 1945-70.

Williams förlag 
Williams förlag, publisher, Sweden, only 1971.

E. Heller

Please note!                                                                                                                                                                                                                                                                                                                                                                                                             Heller-sheets are very old and fragile and we can therefore be expected that some sheets may have broken tabs (ladders)!
-The most is however perfect, but we would like to have a reservation that the defects may be exist!      

Position of part of larger sheets, e.g. Heller 239A (b)