Yes I thoughit looked like it might be one Tim, I belive Horses & Donkey cocks were also sometimes used in Europe but most are indeed bulls, although my understanding is hippo is the absouloute best. {or should that be beast?} Seen one antique C. 3ft long one 1.5 inches at handle about 1 inch on the thin end, semi translucent but finely veiny. flexible but hard, 5 or 6 years ago, Belonged to An ex. British Rhodesian policemans son, i should have brought it, {I did get other pieces from him.] but thought it was too expensive at the time... My mistake. The other cheaper pieces went to a "specialist" German museam in the end.
But I tend to agree with you, I am sure vigerous use of a 40 cm bulls penis upon ones person would probaly kill one eventualy & if not I am sure it would certanly make most of us wish for death!
I understand The British ,Spanish, German & French penile {no pun intended.
] colonies, were run by the use of them, pre.ww2.
Spiral