Here is where you will find advertising that occurred in retail settings [as opposed to paper adverts.]
Marples produced many display boards that showed a small selection of their wares…here is just one…
And another here [man made material] is from a later date and obviously intended for a retail store:
The Wooden sign [15″ x 35″ x 1.3/8″] below was possibly used in Trade Shows and seems to be of the same era as the sign above:
