Offered is an extensive and well-structured Belgium collection covering the classic and early modern period, starting from the first issues of King Leopold I (1849) up to the Baudouin definitives. The collection includes: – Early Leopold I medallion issues (10c, 20c) in multiple shades – Leopold II classic issues including perforated series – 1860s–1880s issues with various cancellations – Sunday labels ("Ne pas livrer le dimanche / Niet bestellen op zondag") – Brussels 1897 Exhibition issue – 1910 Caritas complete series – 1920 Olympic Games series – King Albert I definitive and high values – Interwar definitives including higher denominations – Brussels 1929 overprint – King Baudouin definitives (many MNH examples) – 50F and 100F high values (Montenez) – Various semi-postal and special issues The collection contains both used and mint stamps (including MNH material in later issues). Classic material shows typical condition for the period. Modern issues are generally in very fine condition. Strong study potential for specialists of early Belgium, as well as resale potential due to the presence of complete sets and high denominations. A substantial and visually impressive Belgium collection, ideal for a serious collector or dealer.