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Subject:
On an envelope except for stamp (the third in the top) on there is a photo of the windmill (pump) decorated by a national flag to celebrating of National days of mills, spent every year by the end of the first decade of May.
Also the image of a mill is present on special cancellation.Information about this issue read here please
Tech data: envelope size - 189*101 mm
Typography: N.V.P.H.
Topics: Windmills