However, the story is disputed – author Günther Pfeiffer notes that it was only recorded in 1953 and says it is more likely that the 55 PB was not sufficiently durable to survive until the present day.
Namun demikian, kisah ini masih diperdebatkan - Gunther Pfieffer mencatat pada tahun 1953 bahwa boneka tipe 55 PB tidak cukup bertahan lama hingga masa kini.