Rather nice don’t you think.

So, from the picture, you now know what a gutter pair is… it is the two stamps, or 10 on the example, which are separated by a selvage or gutter “stamp” as I think of it  – in the above example what is effectively a stamp with just a flag on it – that separator or more correctly termed the selvage is called the gutter on this gutter pair.

So a pair of attached stamps with a gutter separating them is known as a "gutter pair."  

From Linns I found this definition : The selvage separating panes on a sheet of stamps. 

The gutter may be unprinted, or bear plate numbers, accounting or control numbers, 
advertising or other words or markings.

In my example the gutter “stamp” is a vertical separator therefore this is a vertical 
gutter pair. If the gutter “stamp” was horizontal you would have what is termed a 
horizontal gutter pair.  Either can exist, depending on whether the original sheet of 
stamps has just one or two gutters. Some sheets are printed with horizontal and vertical 
gutters, some have only one, and many sheets are printed with no gutters.

A block of stamps containing both the horizontal and vertical gutters is called a 
"crossed gutter block," and it is, as you can no doubt realize, the block from the exact 
center of the sheet where the two gutters cross. This is often a collectors treasure as 
obviously the number of these stamps is limited to 4 per sheet. 

In the Motor Racing stamps I have a gutter block because the stamps are themselves a
set and if you look carefully you will see that these stamps are from a sheet and therefore 
there would not have been a crossed gutter block for this issue.   

In the Great Britain examples below you see both vertical and horizontal gutters, and note
that the vertical gutter has what are called traffic lights – that is the print colours of the 
stamps. If you look at a GB catalogue you will see these are catalogued separately and 
usually with a higher catalogue value than the plain gutters as shown on the Dogs issue.
In my collection I have the full used set (although not all the stamps in the set are shown in my scan) 

And you thought it would only take me a few words to explain all this J

And no doubt there are many of you who could tell me more about gutter pairs J but I 
think that will do for now.

Finally;  This will be my last writing for a few days as I will out of town for the next 4 days 
so wont be able to write. Might have some new stamps to show you when I get back. 
Hope you log in later in the week. Or anytime,  as I think there is plenty to read  and
 there are many links to other interesting stamps blogs.

In the meantime don’t forget my Stampoffers lots at http://www.stampoffers.com/cgi-bin/
auction/auction.pl?action=search&searchtype=viewother&searchstring=Cddstamps   or 
my ebay lots – search eBay for michaelatcddstamps, or have a look at my website – 
I have updated the home page and you might find something very useful there. Have a look   

Best wishes.. Enjoy your stamps..     Michael