hani
**Member** 
Inactive
Posts: 9 
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Post by hani on Jul 5, 2016 11:40:23 GMT
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Post by smauggie on Jul 5, 2016 13:13:47 GMT
I suspect it will be a lot of expense for not a lot of use, so no. Not unless you will also use it to detect counterfeit currency.
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bobby1948
Departed
Rest in Peace
"The only thing necessary for the triumph of evil is for good men to do nothing." - Sir Edmund Burke
Posts: 690
What I collect: WW to 1945; US mnh 1922-1990; US used and unused to 1922
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Post by bobby1948 on Jul 5, 2016 13:24:04 GMT
Definitely not what you want, hani. You want "watermark detection fluid" (click here) and a "watermark tray" (click here). The links I provided go to Subway Stamp Shop in the USA, but there are many supply stores with the same or similar products.
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tomiseksj
Moderator 
Woodbridge, Virginia, USA
Posts: 6,385
What I collect: Worldwide stamps/covers, Cinderellas, Ohio Prepaid Sales Tax Receipts, U.S. WWII Ration ephemera
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Post by tomiseksj on Jul 5, 2016 14:13:22 GMT
I agree with Bobby -- watermark fluid and a tray should be sufficient. A substitute for watermark fluid is Ronsonol lighter fuel but care must be taken to ensure adequate ventilation during its use (this is what I have always used). If you must have a device, you might consider those specifically designed for watermark detection (e.g., Signoscope, Morley-Bright, SG Detectamark, etc.). I purchased a Morely-Bright "roll-a-tector" to aid in determining watermarks of stamps on cover but had only limited success. I don't have any experience with the other devices. |
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hani
**Member**
Inactive
Posts: 9
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Post by hani on Jul 5, 2016 17:37:54 GMT
Well thank you very much for the all posts. I definitely will go with one of the products you mentioned.
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