Scott will list coil stamps as singles and pairs since some people collect coils in pairs. Modern collectors seem less interested in pair. Older engraved coils had a line (plate gap) between two stamps and this was collected as a pair.
In your examples, 3622 is a coil but 3630 is not and they do not list a pair but other coils in the 37¢ such as 3632, 3632A have a listing for a pair.
I do not collect in pairs and do not know many that collect modern pairs. I would collect a single, a single with a plate number, or a plate number strip (group of 5 or more with the plate number on the center stamp).
I like coil pairs or even strips. If I find a strip of 5 or 6, I keep them that way and put them in my collection.
I also think the Scott National has pages for coil pairs.
In some cases, and this may not apply to US stamps, the the only way to absolutely differentiate between coils and regular stamps is by having a strip of stamps longer than the width of a sheet. Could this be where the practice of collecting coils in strips originated?
Clive
Why Scott lists pairs for many stamps? Examples are abundant: 3622 and 3622 pair, 3630 and 3630 pair, etc. Why the pair is so special? Is there a difference between the stamps which make the pair?
re: What is the explanation? I am really confused!
Scott will list coil stamps as singles and pairs since some people collect coils in pairs. Modern collectors seem less interested in pair. Older engraved coils had a line (plate gap) between two stamps and this was collected as a pair.
In your examples, 3622 is a coil but 3630 is not and they do not list a pair but other coils in the 37¢ such as 3632, 3632A have a listing for a pair.
I do not collect in pairs and do not know many that collect modern pairs. I would collect a single, a single with a plate number, or a plate number strip (group of 5 or more with the plate number on the center stamp).
re: What is the explanation? I am really confused!
I like coil pairs or even strips. If I find a strip of 5 or 6, I keep them that way and put them in my collection.
re: What is the explanation? I am really confused!
I also think the Scott National has pages for coil pairs.
re: What is the explanation? I am really confused!
In some cases, and this may not apply to US stamps, the the only way to absolutely differentiate between coils and regular stamps is by having a strip of stamps longer than the width of a sheet. Could this be where the practice of collecting coils in strips originated?
Clive