| Louis-Pierre-Théophile Dubois de Nehaut Embosssed stamp for "Dubois de Nehaut" on "Ceremony on July 21, 1856, to commemorate 30 years of reign of 'King Leopold I of Belgium', on the Place Royale in Brussels." 1856, 21 July Ambossed stamp Private collection of Wilfried Vandevelde LL/95129
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