caption: The image shows a stamp with a picture of a castle on it, which is part of a collection of stamps from the Czech Republic. The stamp is printed on a piece of paper and features a detailed illustration of the castle, with the text "Czech Republic" printed in bold lettering above it. The colors of the stamp are mostly shades of blue and green, with some yellow and white accents. The castle is depicted in the center of the paper, surrounded by a white border.