At this meeting, Henry Stollnitz displayed 1847 stamps with various handstruck markings. In the following scans, Calvet Hahn gives an explanation of the transatlantic reprisal through treaty rate structure.                        

At this meeting, Henry Stollnitz displayed 1847 stamps with various handstruck markings. In the following scans, Calvet Hahn gives an explanation of the transatlantic reprisal through treaty rate structure.