GB SG 1469,1470, 1476 and 1478

Hello, have you looked up what these stamps are? see scan below. A reader sent me a link with pictures of two stamps, asking why / what was the difference? Well actually there are more than a few different stamps and I thought it would be interesting to start to tell you about them. The scan below shows - my understanding I will admit - the 20p stamps for the 150th Anniversary of the Penny Black. I will try to show later week after next (I am away overseas and won't be writing for a while, sorry) some other differences when I get time to scan on my little microscope.

Anyway.. Hope you find the following interesting.. perhaps check what you have, at least the perforations and phosphor bands, which are the easiest to identify

I'll be back around 1st December, am in Las Vegas next week for American Thanksgiving with various family members and any other celebrities that care to gatecrash :-)

Best wishes.... Michael