Lot# 5163

mixed franking 5 countries stamps including 3 German Federal States, Austria and Switzerland. with Hong Kong transit and Wuchow oval arrival cds. on reverse. Lake Constance, located at the junction of Germany, Austria and Switzerland, is jointly managed by the three countries. Only the Ship Post Office on the lake can mixed franking these stamps. Rare and even rarer to send to China. VF-F.