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Watermark detectors
I would like to study the watermarks of a lot of stamps. Is there a
"non-liquid" watermark detector I can use? I have seen other collectors at stamp shows squeeze stamps in little boxes to study watermarks. Which are the best? and where can I purchase one? Thank you in advance. Michael Titford. |
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Watermark detectors
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Watermark detectors
On 9/2/2011 12:11 PM, Sir F. A. Rien wrote:
wrote: I would like to study the watermarks of a lot of stamps. Is there a "non-liquid" watermark detector I can use? Learn to use a lamp and your eyes. Probably 90% of the watermarks can be seen with a 'back light' or stamp held over a matte black card and 'edge lit' with a screened desk lamp. Some of the rest hardly show even with fluid! I second the suggestion to use light and eyes. Some issues work best with transmitted light (list behind stamp, though maybe off to side and stamp held at angle). Some with reflected light (stamp on black plastic card). Magnification helps too. I was fortunate to stumble across, at a garage sale an illuminated magnifier (about 5", with circular flourescent bulb) with a spring arm (so I can move it into and out of my view field and have both hands free) and desk clamp. It works pretty well for some issues. I have occasionally used water to see watermarks. This all took some practice and experimentation and willingness to pass on some stamps and some issues. Terry |
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