The pre-printed forms (size 270 x 297 mm/13-hole system) are printed in high-resolution black and white offset on durable wood and acid-free cardboard (170 g/m 2 ). Colour printing has been deliberately avoided. This makes it easy to see which stamps are missing from your collection.
SF protective sleeves of the appropriate stamp size, made of clear, non-glare polystyrene film free from chemical plasticisers, are glued to the cardboard of the albums. The sleeves hold the stamps in place and prevent them from sticking together. They also protect your collection from dust and moisture.
Many pre-printed sheets are also available without SF mounts in a 'standard' design.
Features of similar stamps, such as differences in colour, perforation or printing technique, are noted on the album pages. This applies only to stamps with Michel numbers (main numbers) and includes the year where applicable. We always strive to achieve a harmonious and aesthetically pleasing design.
