Bidspirit auction | India. Registered letter with acknowledgement

India. Registered letter with acknowledgement of receipt, sent from Nova Goa on 19 June 1915 to Berne, franking of 6 Tangas (stamps of 2 and 4 Tangas D. Carlos Mouchon sc republic). It passed through the Censorship in Belgaum, went to Bombay and from there to Europe.