What Does The Term Back Of Book Mean

Hi this is Nor came over from Coin Talk after getting this small collection and am learning as I go. Please enjoy the photos and any and all comments are welcomed. I tried to up load the photos to share but an error ocurred stating no letters or numbers ? If someone will be kind and tell me how to correct the existing files of photos so I can down load them I will share Scotts Air Mail Stamps c5 c8 c10 c11 c12 c16 and c18 and Hunting stamps rw 3 5 7 8 10 11 12 18 21 34 35 38 41. I think the problem is in the name I gave the file to store them on my pc. If you know an easy way to fix the file so I can down load them here please share and I will post these Stamps. Thanks Nor

Your filename can ONLY contain letters or numbers. It cannot contain any spaces, punctuation(.,; ...) or special characters (#$~% ...). Make sure you are not using a foreign language set, either.

The file must be smaller than something like 100kB (I forgot the exact size). If your file is bigger than that, you will either have to use the image reducer, or link to an image hosting site. I prefer the former, but I know a lot of us prefer the latter. If you use an image hosting site, please use one that you plan on using for a LONG time. It's disappointing to look back at older threads and find pictures have disappeared because the OP removed the picture from the host or deleted their account. Thank you!

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Back of the Book: Stamps that are listed in the back of the catalogue after the regular issues.

Examples are: air mail,special delivery,semi-official,official,postage due & revenues.There are others and you may even hear the term "deep back of the book"

Nor - in Canada also includes annual collections, souvenir items, postal stationery, air letters, seals, provinces (when independent colonies) and a bunch of other stuff.