Salomón Hakim Commemorative Stamp
Colombia · 2007 · 500 pesos
The stamp design features a portrait of Colombian physician Salomón Hakim alongside a diagram illustrating the normal pressure hydrocephalus and the valve he invented for its treatment.
This commemorative stamp was issued by Colombia in 2007 to honor Salomón Hakim's groundbreaking medical contributions: the discovery of normal pressure hydrocephalus in 1957 and the subsequent invention of a treatment valve in 1966.
Printing Method
Offset
Image: Revista Semana y Universidad Nacional de Colombia (de un archivo particular). · License: Public domain
Estimated Values by Condition
Perfectly centered, fresh, no faults
Well centered, fresh colors
Nicely centered, minor flaws
Average centering, acceptable
Off-center or visible wear
Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.
