1931-12-01: Anti-tuberculosis Fund 1931

1931-10: Aircraft over Belgian Cities

1931-07-18: Stampexhibition Brussel

1931-06-15: King Albert I with kepi

1931-06-15: King Albert I (Kepi)

1931-06-05: Stamps for Letters by Express

1931-02-25: Service (Official) - Heraldic Lion with Overpint

1931-02-20: Heraldic Lion Precancelled

1931-02-20: Heraldic lion

1931: Newspaper - Overprint Type 2

1931: Railway - Value in Rectangle II

1931: King Albert I (Type Montenez)

1931: King Albert I - type Houyoux - Precanceled