ExcelMark Scanned Self Inking Rubber Stamp - Red Ink (42A1539WEB-R)

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ExcelMark Scanned Self Inking Rubber Stamp - Red Ink (42A1539WEB-R)

ExcelMark Scanned Self Inking Rubber Stamp - Red Ink (42A1539WEB-R)

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computer, 1 scanner, 1 stamp, 1 colour software, as long as they stay the same then all will be good on your computer. The beginning posts on this thread are an overview of how to colour calibrate your scanner to the ANSI IT8 colour standard. From Wikipedia https://en.wikipedia.org/wiki/IT8 "Calibrating all devices involved in the process chain (original, scanner/digital camera, monitor/printer) is required for an authentic color reproduction, because their actual color spaces differ device-specifically from the reference color spaces. An IT8 calibration is done with what are called IT8 targets, which are defined by the IT8 standards. ... After scanning such a target, an ICC profile gets calculated on the basis of reference values. This profile is used for all subsequent scans and assures color fidelity."

Standard handheld magnifying glasses can be useful when examining documents to see if they are counterfeit (e.g., looking at print quality), or if they have been forged (e.g., damage around photographs and images). Ultraviolet (UV) light sources

Self-inking stamps can provide thousands of impressions over many years.

While this is true it makes me think I have not explained the rationale behind this at all well If you have a certified stamp in-front of you and stamp of interest in-front of you then surely you would make a real-life comparison using a good natural north light? Taking a scan may help as well, but yes - colour calibration of your scanner isn't needed if the stamps are always going to be physically sitting together on your desk!! I'm looking to make colour calibrated scans work as well as possible for instances where real-life comparison is NOT possible. Pantone colours are considered by many to be the industry standard for matching colours to be printed. So for example if a designer in Woolloomooloo chooses CMS17-2031 or whatever; a printhouse in Abu Dhabi can do the work without receiving a colour sample direct from the designer. Many countries flags are defined using pantone colours.

No, I'm not, you've definitely totally missed the point of this entire post. It was about colour calibrating your scanner. Going beyond that I've made reference to then using colour calibrated scans of multiple stamps to make visual judgements. Similar (although not the same) visual judgements you make by eye with multiple stamps infront of you in real life. My experience is only using Canon LiDE scanners and their non-WIA Twain driver, some other scanner drivers may not have required options (particularly all-in-ones). I'm not assuming a colour calibrated monitor, but you'll want a reasonably decent monitor, older laptop screens can have pretty poor colour display range. Also my use of colour calibrated scans has been for convenience in IDing shades which are clearly distinguishable by eye. Colour calibration will be useful to some extent for all issues, but it is going to have limitations and I don't imagine anyone will be positively IDing Australia KGV Head 1d Red shades from scans - however well calibrated the scans

Adobe Acrobat

Swapping scanned images is not tenable or at least is too exhaustive in getting agreed calibration of monitors and colour swatches? Ken I have no problem with this idea, your stamp (certified) gives you a base colour (#ec2a65) scanned on your scanner 1, any other stamp scanned on that scanner you will be able to work with.

Yes those Bermuda 2sh6d were all in my possession and scanned (or rather rescanned, due to my tedious rescanning project!) on my same "calibrated" settings. So the relative differences should be consistent irrespective of your monitor settings. So my feeling on the best approach is simply colour calibrated scans to the ANSI standard then a visual comparison of the scans side-by-side on a decent monitor combined with experience. From that you either assign a shade (for a simple Green / Yellow Green example), or in the case of difficult issues - and Australia KGV 1d Heads are the ultimate in difficult shade issue - then an onscreen visual comparison of colour calibrated scans can give a good indication of when it might be worth (or more often not worth) sending a stamp off for a certificate. No matter what, if you have that base stamp you will always be able to compare it with a 2nd stamp anywhere anytime any computer. If your monitor is reasonably modern, with typical default colour settings, but uncalibrated colour-wise then all scans you view will be out by the same amount and you will still see the same shade differences between the calibrated scans you view. If its horribly out of calibration then this could start to affect the shade differences, but with the caveat that you have a half decent monitor and its settings haven't been totally screwed with then exact colour calibration should not be required (although always beneficial).Document verification is crucial in ensuring that the documents presented are both genuine and presented by the rightful holder. The upshot of all this is: if you scan a KGV 1d rose pink stamp that has been expertised, sample a specific area and get (for example) #ec2a65, then the next time you're wondering if a particular stamp is rose pink, if you repeat the exercise using the same settings and get a close comparison (for example) #eb2e68, then it's probably worth your getting that stamp expertised too. The important bit being the last sentence. In practice calibration of the monitor is not essential and "calibration of the original" is what were are attempting to do - i.e. assign shades to the stamps.

Looking at your Bermuda stamps. Were they stamps in your possession that you scanned and calibrated (still not sure what that means either), and because they were calibrated the difference between the shades is consistent, i.e. differences in the individual scans are removed? Secure identity documents are presented as proof of identity, nationality, status within the United Kingdom, and for employment or renting accommodation. The enhancement of scans through alteration of saturation and contrast is also a great help in identifying shades. Help for by-eye assessment then! Thought it was worth putting together some information on colour calibration of scanners as the topic repeatedly comes up (directly or indirectly) on Stampboards and some good information is buried in threads. This isn't something I'm an expert on by any means - most of the info is based on what I've read on threads here.If your hardware has been calibrated and you tell me those results, and my hardware has also been calibrated and I examine a stamp and get very close results, then it would be worth while me getting my stamp expertised. Without both systems being calibrated, any close match is much less meaningful. I find this very useful for the German stamps where there is little need for UV help BUT having several copies of certified stamps is beneficial as some older proofings are obviously wrong . This brings up the expertise angle and expertise cannot be wholly eliminated via technology.. What about colour enhancement through software to bring out the shade differences, e.g. increasing saturation levels and or contrast? Same scan of course for comparison purposes. https://www.hipstamp.com/forums/discussion/4251/franklin-washington-taming-the-beast-part-3-watermarks-and-detection#latest You can use your non-barcoded stamps until Monday 31 July 2023. The original deadline was at the end of January, but after the death of Queen Elizabeth, Royal Mail introduced a six-month grace period to give people more time to use their old stamps.

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