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Stamps Australia Online
Pictured below are the different watermarks (WMK) for Australian Pre Decimal Kangaroo on Map Stamps, which are visible on the reverse side of your stamp (gummed side) when the stamp is held up to the light.
Here is an example of what 1st watermark (WMK) looks like on an actual stamp
Guide created: 05/10/06 (updated 29/03/12)
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