1878 Henry Giffard’s Giant Ballon at the Paris Exhibition Souvenir Medallion - Obverse; Fine illustration of this large Balloon over Paris. Reverse; Legend “Souvenir de mon ascension dans de Grand Balloon captive a vapeur de M’r. Henry Giffard”. Attractive Gilt plated, size 50mm, in good condition overall. Note: All these who ascended in this one of the largest balloons of the 19th Century was given this attractive medallion as a souvenir of their flight.