I was going through different reference materials I've found about the AMG Issue, and I noticed there is a possibility of a variety of perforations on the Brunswick and London printings, including compound perforations that my Scott catalogue does not go in to.
The pdf says some combinations on some stamps are quite scarce, so I was wanting to know about perforation varieties that I should be one the lookout for. I was wondering if anyone had more detailed information of the perforation varieties available, and there relative scarcity/value on each stamp.
Here's screenshots from the freely-available pdfs I've found....
"Perforations are in the 14 range and there are seven perforation combinations of 14 1/4, 14 1/2, and 14 3/4. Some combinations do not exist on all the values and others of these are extremely scarce."
"The Brunswick stamps are perforated with four combinations of 11 and 11 1/2. As with the British printing, all combinations do not exist on all values and some of the perforation combinations are very scarce."
The PDF mentions the Bush AMG Catalog-Handbook, so maybe perforation varieties would be in there, if anyone has access to it?