I have a quick question that someone may be able to answer. I found this overprint on a stamp in some material I was sorting and tried a quick google search for its significance but did not have much luck. I have the feeling that I have seen it somewhere before, possibly in Belgium, but cannot track that down either. Can anyone tell me what it was used for? Did it simply create a revenue stamp? An emergency Postage Due?
Posted 02/15/2021 1:27 pm
