Two squat medieval drum towers with pointed slate roofs flank an arched gateway in this atmospheric monochrome "Gruss aus Nideggen" view — the Tor (gate) of a small Eifel town near Aachen that few collectors have encountered, mailed in April 1906 from Nideggen to a noblewoman, Frau von Mierning, in Halle an der Saale. The undivided-back card captures the Nideggen Stadttor in sharp photographic detail, with half-timbered buildings pressing close on either side and a single figure visible beneath the arch. Nideggen, perched above the Rur River valley, was a medieval seat of the Counts of Jülich; its fortifications — including this gate — survive largely intact. Writing fills both the front image margin and the back, suggesting the sender had much to say. The postmark reads Nideggen 17.4.06, and an arrival cancel from Halle (Saale) dated 18.4.06 confirms same-day or next-day delivery across Germany — a testament to the Imperial German postal system's remarkable efficiency.