A striking airmail issue from Costa Rica, this 75 céntimos stamp highlights the country’s growing pharmaceutical and industrial sector. The central vignette features a mortar and pestle atop a globe, symbolizing national medical production with global aspirations. The orange-red airmail frame with vertical Correo Aéreo panels adds strong visual appeal. Printed by the Imprenta Nacional de Austria, Vienna, this stamp is an excellent thematic item for collectors specializing in industry, medicine, or Latin American airmails. Well-designed and distinctive, it represents Costa Rica’s mid-20th-century economic modernization.