10th.

10o. Congreso Latinoamericano de Neurocirugía en Buenos Aires.

Owner	Mario Argenta
Observations	Stamp of Argentina printed on Offset, chalked paper, large RA watermark.
Country	Argentina
Face value	4 pesos
Year	1963
State	Used
Status	Exhibition - Non-transferable
Category	Events
Format	Vertical
Printer	Casa de la Moneda de la Nación
Other information	Perforated stamp
visualizations	619