India 1947 Pan American Airways First Clipper Air Mail Flight cover to USA with special 'Calcutta to San Francisco' Illustrated Cachet (Golden Gate Bridge & Taj Mahal) in red bearing KG6 2as & 1r
India 1947 Pan American Airways First Clipper Air Mail Flight cover to USA with special 'Calcutta to San Francisco' Illustrated Cachet (Golden Gate Bridge & Taj Mahal) in red bearing KG6 2as & 1r