Another alternative is a stockbook where the stamps drop into clear pockets without the need for a mount.

Some collectors require more flexibility than a bound stockbook allows, because moving individual stamps from page to page can be time consuming and may cause damage.

Ackroyd Each stockbook had ten pages and each page held about a hundred stamps with their Scott Postage Stamp Catalog numbers written in neatly below them, making them very easy to identify.

As with most stationery, most manufacturers refer to the number of sides in a stockbook and not to the number of pages, so stockbook advertised as a "16-page stockbook" contains 8 double-sided cardboard pages.