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Rarity of Diagnostic Print and Test Vend CVP  
 

 
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Posted 12/05/2016   11:14 pm  Show Profile Bookmark this topic Add Steven Kenniff to your friends list  Get a Link to this Message
I recently came across a few sheets of diagnostic print holiday stamps. I have also previously gotten some Test Vend or Void stamps from the machines as well.

I was wondering if these types of stamps have any significant value to a collector in particular the full sheets of diagnostic print stamps. These also happen to be holiday stamps so I tend to think that maybe they won't be reissued in the exact style later which could drive up some desirability. Thanks in advance for your advice.

-Steve
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Posted 12/05/2016   11:21 pm  Show Profile Bookmark this reply Add Steven Kenniff to your friends list  Get a Link to this Reply
I just realized that a picture is worth 1,000 words and would probably make this post more interesting.

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Posted 12/06/2016   02:48 am  Show Profile Check 51studebaker's eBay Listings Bookmark this reply Add 51studebaker to your friends list  Get a Link to this Reply
Hi Steven,
Interesting.
I am not a specialist in CVP but I do have an engineering background in kiosk development. It is common to add diagnostic routines to the kiosk and its peripherals (scanners, coin mech, card readers, printers, etc.). The diagnostic routines are usually embedded in the firmware and accessed through a ‘secret' set of inputs. This usually is some unique set of keystrokes or button push combinations. For example, holding down three of the buttons all at once.

The ‘secret' usually is not well kept and can often be discovered by playing around with the device. (I have been able to 'break into' the diagnosis mode all kinds of various device by simple playing with them.) It is certainly known by the techs who work on them. The diagnostic routine is often run anytime a tech works on the kiosk; it is a way to test the kiosk without changing the accounting totals on the machine.

So my opinion is that they are not common. But they would be available ‘on demand' to anyone who knows how to put the kiosk into diagnosis mode for testing purposes. They might bring some interest with CVP collectors but I am doubtful that anyone would pay too much for them (since they could be generated at any time by some in the know).
Don
APS #094826
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Posted 12/06/2016   08:44 am  Show Profile Bookmark this reply Add Steven Kenniff to your friends list  Get a Link to this Reply
No doubt, they are printable on demand to those with access to the diagnostic settings on the machine. My thought is that a normal person cannot print these on demand, and the post office would not print these on demand for a customer/collector either.

That provides some level of scarcity, because I suppose you would either have to be the service technician, his friend, or a lucky stamp collector who encounters these. Most of the public who sees these would probably dismiss them as having no value since they are not able to be used for mailing purposes.

I have looked online for other examples of diagnostic prints and I don't see many examples, let alone a full sheet, or this particular holiday wreath set. I know that doesn't mean that these are super rafe, or even highly desirable. Since I think that this series of stamps is only used for a limited time by USPS, maybe after they stop using it the value might increase since even if a technician could print more on demand, they could no longer do it to this series afterward.

Who knows, it was an exciting find to say the least :-)
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Posted 12/06/2016   09:06 am  Show Profile Check 51studebaker's eBay Listings Bookmark this reply Add 51studebaker to your friends list  Get a Link to this Reply
They are very interesting. From a collecting standpoint, I think they would be analogous to the 'test' stamps or perhaps be consider by some to similar to 'printers waste'. They would not be considered a stamp error.

The supply-side of valuing them is unknown. As you mention, if a market were to develop for these the concern becomes people 'manufacturing' these for sale. Right now you might have the only set, but if you were able to sell them for big bucks then suddenly there might be hundreds of them showing up for sale.

The demand side is also unknown. If they get published in a catalog the demand would go up some, but US 'test' and CVP stamps are not a hot area of collecting right now.

Perhaps others will weigh in with their opinions but thank you for posting them, they are indeed interesting.
Don
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Posted 12/06/2016   10:34 pm  Show Profile Check acanalizo's eBay Listings Bookmark this reply Add acanalizo to your friends list  Get a Link to this Reply
The 2017 "Scott Specialized Catalogue of US ..."
now list them as "Machine set-up Test Labels" in the CVP section
along with values and Scott numbers beginning with CVPT...
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Albert
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Posted 12/07/2016   02:14 am  Show Profile Check eyeonwall's eBay Listings Bookmark this reply Add eyeonwall to your friends list  Get a Link to this Reply
The CVPT listings are incomplete.

It is my understanding that the ones with "Test Vend" are produced by USPS personnel, while the ones with "Diagnostic" are prodced by people from the maker of the machines.

I seriously doubt anyone has bothered to hack a machine to produce either of these.
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Posted 12/07/2016   10:20 am  Show Profile Check smauggie's eBay Listings Bookmark this reply Add smauggie to your friends list  Get a Link to this Reply
What you need is USA Variable Denomination Stamps (1989-2015) 2nd edition by Karim Roder.

The Meter Stamp Society has copies on sale for $70. From what I have heard it is extremely comprehensive. I dabble in them but am not a dedicated collector.

http://www.meterstampsociety.com/
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APS Member #: 222539 AAPE, Maplewood Stamp Club (MN), Northern Philatelic Society, US Philatelic Classics Society, Auxiliary Markings Club, Canal Zone Study Group, Minnesota Postal History Society
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Posted 12/09/2016   12:22 am  Show Profile Check acanalizo's eBay Listings Bookmark this reply Add acanalizo to your friends list  Get a Link to this Reply
I was able to get a couple CVP100 Test stamps from local postmaster. The new stamp was not loaded in machine and I asked postmaster if and when will he be filling. He said he thought it was already done and after checking it was not loaded, he obtain a supply of blanks from stock, loaded and pressed the test command, a couple adjoining test stamps came out.


I asked if he would give them to me and he did.


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Albert
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Posted 01/03/2017   08:38 am  Show Profile Bookmark this reply Add Steven Kenniff to your friends list  Get a Link to this Reply
That is excellent. I too have found a few sets of Test Vend CVP100. Those seem to be much more common by comparison, but definitely not an everyday find :-)
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United States
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Posted 01/06/2017   7:58 pm  Show Profile Bookmark this reply Add Stampman2002 to your friends list  Get a Link to this Reply
Here's a couple more test items for your enjoyment.

These are all Scott CVP93.

The first is a blank sheet.





Next is diagnostic print on an entire sheet.




Next is this horizontal pair with a different test print overprint.




Finally, there is this block of four with two different overprints.



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