Bidspirit auction | 3 perpetual advertising calendars

3 perpetual advertising calendars - 3 perpetual advertising calendars square, GDR ca. 1970s, wooden body with plastic. ''Malfa Kraftma-Brot Mühlenwerke Saara'', ''VEB Süsswarenfabrik Wesa'' and ''LPG Pflanzenproduktion Karl Marx DDR Erfurt''. rubbed, each approx. 21 x 21 x 3.5 cm