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It looks to me like a color changeling from blue green.
I've never seen the slate color variety (rare), but it should look much more grayish than that? I'll leave that to someone who has seen or is familiar with the slate color variety to provide the proper opinion. |
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An example was included in a Spink sale last year (May 11). The scan isn't fabulous, and the catalogue is a massive download, but here is a pdf of the catalogue: http://www.spink.com/auctions/pdf/1016.pdfThe stamp in question is found on page 46 of the pdf file. Estimate of 10,000 Euros. I'm sure the realization list would be found on their website. |
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Hi, Adding pictures to see paper difference : Paper is white and there are very little color thread (first picture).   Ardoise color stamp are normaly new. Unknown with cancel... Comments are welcome :) Thank you! CDNum https://picasaweb.google.com/CDNumStamps/ |
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| Edited by cdnum - 05/06/2011 4:05 pm |
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Hi cdnum, Ardoise or slate is a bluish-grey colour, no green or blue-green at all to it. Perhaps you may be confusing colour names in the catalogues that say slate green, of which there are a few. This slate green means slate-ish green, the main colour being green and then with a slate tint to it to move the colour in that direction of the spectrum. Here are some stamps that are slate or ardoise Canada Scott 324 Bighorn Sheep, slate  France 1918 #B11, Slate and Red  Italy 1925 30c slate  Your stamp is not, in my opinion, slate. It is a green of some sort, perhaps slate-green, but still green is the main colour. Thius could be a printer's ink slight change, but it not being stated as such in the catalogues makes it seem that it is not, or it could be changed by coming into contact, sometime in it's history, even while still on the envelope or even before being stuck to an envelope, with different things that could affect it's main colour, from sunlight, to acid rain, to other chemicals,. It depends on what the green pigment in the ink is actually composed of. Some elements are affected by some other elements. An interesting article on Wikipedia about stamp colour http://en.wikipedia.org/wiki/Postage_stamp_color |
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Hi Puzzler, If I compare frame with another one, normal stamp seem to be larger (see picture). Do you know if it is normal?  If you want, you can compare with the orginal scan. It's a funny stamp :) Thank you! CDNum https://picasaweb.google.com/CDNumStamps/ |
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| Edited by cdnum - 05/16/2011 12:05 pm |
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Now that is fascinating.
That is like the older King Goerge V wet and dry printings almost , except the stamp shrunk in both directions. I wonder what would cause that? |
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Nice comparison pics!
The design dimensions of the French stamp are affected in BOTH directions. The difference in width is more obvious, because it is much longer. But look at the right side of the comparison for the stamp height, and you will see that one is slightly (but clearly) larger than the other. I believe whatever caused the color changeling also contributed to the paper shrinkage (my opinion). |
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Very Nice. I think a look at a specialized catalogue (Yvert et Tellier?) is in order to see if the size in millimetres of the stamp design is known as different on any examples. I do not have such a catalogue (wish I did though).
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cdnum
I read all the posts of this thread which I found very interesting.Then I found you on the french forum "Timbres de France", as you use the same pseudonym, with the same topic "rivière bretonne". Very interesting too and I didn't know this forum, I don't collect France. On this forum you wrote that you got the confirmation your stamp is not the very scarce color "ardoise". Did I miss something on SCF? Anyway you and your stamp kept me busy for a while because I read every single posts about it on both forums. Now I know for sure about this stamp. Sorry for you it's not an "ardoise" color. |
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Bonjour Timbre667, Yes, it is probably not ardoise stamp but there are some differences. I'm not sure about width difference because I compared with another one yesterday and seem to be OK. Not easy to measure with scan picture. Can you explain E of DELZERS, paper color, 2 tail, etc. ? Is there die difference between normal and ardoise color? Picture without change :  Picture with Auto color/Auto Contrast/+Net  ? Where is GREEN on this stamp  ? Some people say : "Put it in garbage" / "Essai used not exist" But they don't put a picture with a stamp like that. Timbres667, if you have some stamps like that, just put a picture to compare with this one. I have five other and they are green like normal stamp. I don't say it is an ardoise stamp, I just ask the question. I try to know if it is a different stamp than normal. Wikipedia : "L'ardoise ou le gris ardoise est un gris sombre, tendant légèrement vers le bleu, dérivé de la couleur naturelle de l'ardoise." Merci! CDNum https://picasaweb.google.com/CDNumStamps/ |
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| Edited by cdnum - 05/19/2011 06:49 am |
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Replies: 23 / Views: 5,023 |
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Posted 05/02/2011 5:13 pm
