Francisco Josè de Caldas

Variety: Imperforate pair (SN CO 518a)

Francisco José de Caldas (Popayán, October 4, 1768 – Bogotá, October 28, 1816) was a Colombian lawyer, military engineer, self-taught naturalist, math.. Read more »ematician, geographer, and inventor (he created the first hypsometer), who was executed by orders of Pablo Morillo during the Spanish reconquest for being a forerunner of the fight for the independence of New Granada.

Country:	Colombia
Type:	Postage stamps
Series:	1944 Definitives
Nominal:	30 c
Year:	1944
Perforation:	12½
Mintage:	100,000