Acquisition method
gift
Acquisition date
16/4/1964
Source
Dr E. S. G. Robinson; Hess (Lucerne) 16/04/1964, 37; Hess (Leu) 1958, 39
Acquisition credit
Presented by Dr E. S. G. Robinson, 1964.
Acquisition note
Purchased by Dr E. S. G. Robinson for 2850 Swiss Francs