Question

Afolded piece of thick paper with a picture and a message on it

Answer 1

Ответ : …отогнул кусок бумаги с изображением и надписью

Answer 2

It sounds like you're describing a greeting card. Greeting cards are commonly used to convey messages and well wishes for various occasions, such as birthdays, holidays, weddings, and more. They often feature images or illustrations on the front cover, along with a message or sentiment inside that is intended to express the sender's feelings or thoughts to the recipient. Greeting cards come in various designs and sizes and are a popular way to celebrate and communicate with others on special occasions.