@Wordloom
Advertising cards that are rejected by many users are free cards that usually advertise current products.
As @cliffside already wrote are the cards you are showing postcards that show reproductions of old advertising or information posters of all kinds - and these are not among the advertising cards that are often rejected.
Here, for example, are reproductions of old travel- or advertising posters:
I have changed the headline accordingly
Here is a topic about real advertising cards What are advertising cards?