See his autobiography (1962).
The 205 liras rosa was intended for the stopover in Peru. The artist made a mistake with the boundaries between Peru and Ecuador. The rose-colored stamp was quickly replaced by a grey version with corrected boundaries, but some philatelic souvenirs using the Gronchi Rosa already existed. A forgery of this stamp is known to exist.
New findings from A. Gronchi and co-authors in the area of soft tissue sarcoma therapy published.(Clinical report)
Mar 30, 2010; Current study results from the report, 'Extremity soft tissue sarcoma in a series of patients treated at a single institution:...