Excellent sleuthing, thanks! IIRC Tiermann knows Oliver Schaffer, maybe he could ask directly about the lady! Or I bet they know on Klickywelt
Dang that's a hard paywall too, it defeated all the usual tricks for bypassing it. The gallery of some of his rarities is visible though https://www.nn.de/kultur/sammler-wahnsinn-dieser-playmobil-fan-aus-furth-hat-figuren-die-kein-anderer-hat-1.14166789