Netherlands East Indies. 1901. Registered Netherlands East Indies postal stationery envelope 12 1/2c grey upgraded with SG 85, 2 1/2c yellow (strip of three) cancelled by Ngandjoek hand-stamp in violet with Ambarawa squared circle with matching registered label addressed to Ngandjoek with boxed instructional 'Na Posttijd' and Madioen transit on reverse. Exhibition item.