Hungary Postage due stamps – year 1919/20 Porto MNH

In 1919-1920, Hungary issued a series of postage due stamps with black numerals, consisting of 5 stamps with a catalog value of less than $1 each. These stamps were part of the Hungarian National Republic issues that were overprinted between November 1919 and March 1920.Some key details about these postage due stamps:

• They were issued in denominations of 1k, 5k, and 10k ultramarine, each overprinted in red. Only 40 of the 10k were printed, while 80 each of the 1k and 5k were printed.
• Used examples of the 1k, 5k, and 10k overprinted stamps realized prices of $21,000 and $22,000 at auction, indicating their rarity and value.
• The postage due stamps were used in combination with overprinted Hungarian stamps in Croatia-Slavonia in 1919, such as a 10f Packetcard sent registered and franked with a Hungary Postage Due 50f stamp overprinted “HRVATSKA / SHS” in blue.

So in summary, the 1919-1920 Hungarian postage due stamps with black numerals were part of the overprinted issues of the Hungarian National Republic, with the higher values being extremely rare and valuable. They saw use in Hungary as well as the newly formed Yugoslavia.