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Morits
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  • May 10, 2021 12:22
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May 10, 2021 12:22
a connoisseur can take a look at # 2780051 and # 8063075 . Reference is made to M 384 for both, but the perforation is clearly different, with the first set perforation and the second has normal perforation.
I know too little about it to say that they are duplicates.
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  • May 10, 2021 15:10
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May 10, 2021 15:10
it says at both Tanding L11 and is therefore a duplicate, has already been adjusted / changed by me.
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  • May 10, 2021 15:26
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May 10, 2021 15:26
At 2780051 the perforation does indeed seem more frayed, otherwise identical.

Sometimes these are listed separately in highly specialized catalogs on a specific area. It is possible, but then you must first have such a catalog, and also have the desire to look into it. Those things are usually as compelling as a phone book.

It could be the condition of the seal. Who knows how many hands (and hands) the first one has already gone through.
Or in the production process: the things in the machine that make the teeth also wear out, just like scissors. The first specimens can then have a very neat perforation, and the last specimens tend to be more rustic.

Michel only shows 1 number. I'd keep it on a duplicate.


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  • May 10, 2021 18:28
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May 10, 2021 18:28
8063075 may have nicer perforation, but the printing colors have shifted and some red is missing next to the rocket. And that also applies to # 8063105 (also a double, I think). Maybe add as picture 2, to illustrate the possible deviations?
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  • May 10, 2021 19:03
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May 10, 2021 19:03
Boekenmagazijn

That seems like a great proposition. Keep both images in one item. There is only one set of data (catalog number, perforation, ...) but the stamp can sometimes look slightly different due to the production process: beautiful copies for the philatelic market (cash register) and the less beautiful ones for use by the people (is only to be licked and devalued).
There is nothing to prevent a collector from including both specimens in his collection if there are noticeable differences.
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az60
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  • May 14, 2021 21:25
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May 14, 2021 21:25
It seems to me indeed a matter of worn out pins of the perforation machine. Large holes on new pins and small holes on worn pins. They also had problems with this in Indonesia. In the temple series, even a distinction is made between small and large holes and they are placed in the catalog as separate objects. I have never understood the logic of this. You have all intermediate forms, due to more or less worn out pins. Adding a specimen with small holes as the second image seems to me to be the best solution indeed. Incidentally, small holes can be produced earlier in time than large holes, if the pins are replaced halfway through.
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