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Keywords from Image Description:
DiepenbrockKonijnenburg. en Dutch stamp head of composer Alphons Diepenbrock Zomerpostzegel Design by Willem Konijnenburg engraving by Rudolf Steinhausen printing by Joh Ensched Zn geheugenvannederland nl NVPH Geheugen van Nederland NVPH Design by Willem Konijnenburg engraving by Rudolf Steinhausen printing by Joh Ensched Zn