tomiseksj
Moderator
Woodbridge, Virginia, USA
Posts: 6,052
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 Aug 31, 2013 0:38:54 GMT
Reading faded or weak strikes of postmarks or other auxiliary markings is often difficult to impossible; however, the capability provided by the retroReveal website may be allow you to discern some or all of the markings. As an example, here is a postmark taken from a post card sent from Mexico. There was no date included in the sender's note so I had no idea when the card was postmarked -- circa 1934-1940, the stamps's approximate period of use, was as close as I could come.  After uploading the image to retroReveal, and subsequently processing it, this enhancement of the image revealed that the card was postmarked March 8, 1937.  The best part about the site is that you only need to know how to upload an image; all of the image manipulation is done "behind the scene," and in under a minute you are provided the analysis.
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zipper
Member
Posts: 2,525
What I collect: Classic GB, QV, France Ceres/Napoleon, Classic U.S., Cinderella & Poster Stamps
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Post by zipper on Aug 31, 2013 2:32:42 GMT
Thanks, Steve. Sounds wonderful! I'm sure we'll all use it.
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Post by irishjack on Oct 23, 2014 19:49:57 GMT
I have to recommend this site to all stamp collectors. With this site you can really see the hard to see stuff. I was playing around with it today looking at maltess crosses on some early GB stamps. 
With a little magic on retroReveal this is how the cross shows 
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Post by jkjblue on Oct 23, 2014 23:24:12 GMT
 Thanks for the site tip.  I registered, and uploaded this Moheli 5 as an experiment. Definitely enhances the postmark. 
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Post by philatelia on Oct 24, 2014 10:23:35 GMT
Fascinating! Thanks for sharing this.
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anglobob
Member
Posts: 2,160
What I collect: France and French Colonies,French cinderellas British Commonwealth QE2
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Post by anglobob on May 31, 2022 17:23:59 GMT
I haven,t been able to access this site lately.Is anyone else having problems,or can recommend an alternative ? Many thanks Anglobob
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renden
Member
Posts: 7,833
What I collect: World W collector with ++ interests in BNA (Canada etc) and USA
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Post by renden on May 31, 2022 17:48:04 GMT
Bob ( anglobob), same for me - I used to access retroreveal.org easily........impossible today...!! Why ?? René
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Beryllium Guy
Moderator
Posts: 5,164
What I collect: Worldwide Stamps 1840-1930
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Post by Beryllium Guy on May 31, 2022 19:00:49 GMT
OK, Bob ( anglobob) and René ( renden), I have never used the site. Let's tag Steve ( tomiseksj), who has long been an adept practitioner with RetroReveal and see if he can comment.
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Post by iswscwebmaster on May 31, 2022 19:07:12 GMT
According to isitdownrightnow.com (https://www.isitdownrightnow.com/retroreveal.org.html)the server that retroreveal is on has been down for longer than a week.
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Post by PostmasterGS on May 31, 2022 19:33:04 GMT
For those looking for an alternative -- several years ago when RetroReveal was down I wrote a small app called PMGS Reveal that does many of the same things, though on a much smaller scale due to limitations in the image manipulation software I use. You can download it for free here.
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tomiseksj
Moderator
Woodbridge, Virginia, USA
Posts: 6,052
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 May 31, 2022 21:53:49 GMT
The site is hosted by the University of Utah and the Spring semester ended mid-May. Perhaps that is the reason for the site being offline.
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jdtrue66
Member
Posts: 287
What I collect: US&US FDC, Keys & Locks, NUDES, Rubber Ducks, USS NJ covers
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Post by jdtrue66 on Jun 1, 2022 3:05:52 GMT
The site is hosted by the University of Utah and the Spring semester ended mid-May. Perhaps that is the reason for the site being offline. I work at a university and yes this time of year all kinds of resources vanish. Many things are started by facility and they have moved to new projects or grad students and they have graduated and there is no one left to advocate for them and IT just nukes it or it never makes the transition to a new server.
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seegod1
Member
Mostly lurking these days, but enjoying everyone's input!
Posts: 162
What I collect: Canada, Cats, Soccer, Religion, Royalty, Titanic, Stamps on Stamps, Number Ones
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Post by seegod1 on Jun 1, 2022 11:59:37 GMT
I seem to be unable to access the website as well, but will keep trying. Thanks for this great new resource, tomiseksj ! It could also come in handy when you're trying to figure out if a stamp is an original or some re-issue or something, and the cancellation date might help you but can't be read.
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angore
Member
Posts: 4,503
What I collect: WW, focus on British Empire
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Post by angore on Jun 2, 2022 9:46:45 GMT
I would assume some software available could perform many of the filters in retrpreveal but just not as easy.
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