Sweden. Air mail cover, Unpaid postcard sent from Great Britain to Mauritius, with the 'DAILY GRAPHIC BALLOON' flight from Crystal Palace towards Russia. However, the mail carried was jettisoned over TÖSSE 14.10.1907, in Sweden, from where the pc was mailed. No air mail fee applied. Postage due marks T and 12½c TO PAY and arrival pmk BEAU BASSIN 20.11.1907. Scarce item from this sought-after balloon air trip – to Mauritius most likely UNIQUE? Ex. K. Harrison.
