Washington 1c Green Stamp 9 1/2 X 9 1/2 Perfs.

Is a Washington 1c Green stamp 9 1/2 x 9 1/2 perforations common or rare

Share a 300+ pixel scan if you can. If you can do it with the perf gauge taht would be awesome as well.

I don't think there are any 9 1/2 x 9 1/2, so either you have a bad perf gauge, or you made a mistake, or it is a fake. Some expert can correct me, but I am under the impression that the ones Scott lists as 10 x 10 actaully gauge a little less than 10, so yours may be 10 x 10 that you are having difficulty measuring.

Here are a couple of images showing the stamps against 9.5 and 10 perf gauges:

https://www.dropbox.com/sh/2bovv2au...IMAG0491.jpg
https://www.dropbox.com/sh/2bovv2au...SDC12688.JPG

As you can see they line up with the 9.5 perf but not the 10.

Assuming the perf gauge is correct and they aren't fakes, what should I do?

My understanding is that I need to have them expertized for authenticity.

Have Bill Weiss look at your images and see what he thinks.

It's a perf 10 with some paper shrinkage.

maybe your perf gauge is inacurate

Stewart,

have you got a better perforation gauge than that one, that type is useless, use a plastic gauge, they may cost a few $$$$'s but they work,

p.s. That's the 2nd. piece of advice you have been given to ask Bill Weiss,

Pagoda

I prefer the clear plastic multi gauge

Save your money on the cert. In that first pic where you are setting it to the lines, I see less migration away from the reference point on the perf 10 than on the 9.5. If you sent it to Bill he would check it against a Kiusalas gauge. You can do something like that with one of the multiguage tools I see advertised. In days of yore, Stanley Gibbons came out with a metric based gauge that used angled lines and allowed readings to a tenth. If there is a paper shrinkage problem then a gauge like that would give you a reliable reading.

We're all pretty much saying the same thing.

Thank you all for your comments, in relation to the Perforation gauge used, it is a plastic gauge being a Trafalgar Series made in England, in relation to shrinkage, the Design Size still measures 19x22, which indicates no shrinkage.I will consult Bill Weiss, thanks again for all of your comments.