Germany Reich. Michel 329A cover , 1923 Inflation numerals 20 Miliarden M dull green/dull brown perf 14 x 14¼. Letter, sent from Hamburg 1 Dec 1923 to STOCKHOLM, franked with 1 x Mi 328 and 10 x Mi 329, in total 300 billion RM. It is a correct franking for a 20 g letter to a foreign destination only that very day. On the same day the currency reform took place in Germany.