1852, 5 cent plate I position 50, very fine with wide margins all around tied by VERY RARE single line "ZUIDBROEK" on cover (stamp cut out and reinstated) to Scheemda. ONLY 6 STRIKES OF THIS VERY RARE CANCELLATION ARE KNOWN (Ey = R), THIS IS THE ONLY RECORDED COVER.
Certificate Henk Vleeming BPP (Image)

1918, 15 C blue/carmine Wilhelmina, single franking due to pay solely the express fee on POW-card from a german internee in ROTTERDAM, 27.6.18, sent to Sachsenhausen, P.O.Deining near Munich. On the frontside double-line handstamp "INTERNEERINGSGROEP / ROTTERDAM", boxed "EXPRESSE" and circular german censor "Cöln-Deutz". In addition manuscript taxation "60" (Pfennig) in blue to pay the extra fee for express delivery to german places in the countryside. Extremely rare combination of POW-mail and postal express fees - possibly UNIQUE! (Image)

1927, front of a registered, value declared letter of "12.000 Gulden" sent from Den Haag to Delft franked with 30 copies of "10 Ct" on 22 1/2 Cent including two blocks of four. Huge multiple franking: (Image)

1931, ciontract state catapurlt mail, registrered from ARNHEM to New York with green cachet "DEUTSCHER SCHLEUDERFLUG DAMPFER "BREMEN" 28. Juni 1931" (Image)

1928/1943, lot with 3 postbus cards, comprising 2 1/2 G rose Wilhelmina (Mi.169 A), single on card from Zwolle, 15.12.28; 2 x 50 C brown "dove" and 1 1/2 G grey "merkur" (Mi.225, 391) together on card from Rotterdam, 17.III.42, and 10 x 50 C brown "dove" (Mi.391) on card from Rotterdam, 23.XII.43. F/VF condition (Image)

1946, Definitives "Wilhelmina", large fragment bearing 96.31gld. franking incl. 10gld. block of eight, clearly cancelled "AMSTERDAM 7.7.48", some postal wear/slight imperfections. Very rare high postage! (Image)