The pages of the Belgium S content are made of strong woodfree paper (170 gr.). On all pages the frames where you can place the stamps are indicated, usually with a picture of the stamps itself. On all these frames there are transparent mounts to safely place your stamps .
The content Belgium S contains the years 1927 till 1975.
The content consists of 37 pages;
PRE1-23,PUBS1-10,TB1,TB1a,TB2,TB2a.