showcard

noun3

1. •
   An advertising placard.

   • No matter how well dressed or how nicely goods are arranged in a window , it is robbed of half its effectiveness unless a good showcard completes it . — 1902
2. •
   A card for displaying samples.

   • This showcard is reproduced in ten colors, showing the company's "151 Line" comprising eighteen colors, and has an easel back, making an attractive counter or window display. — 1922
3. •
   A card shown to a subject as an extra aid that is associated with one of the questions in a questionnaire or survey.

   • From this card (SHOWCARD 4) what if anything did you do at the time? — 2017