The stamp is Norway's Scott, Facit, and NK #1. The margins leave something to be desired (i.e. width), but on the positive side the stamp is graced with a well-centered three-ring numeral cancel.
But... is the cancel "66" from Fikke, or "99" from Hamar?
My 2004 Norgeskatalogen accords a "66" cancel on a #1 a rarity factor of "RR"(+1,500 NOK), while the "99" receives a rarity factor of "b" (+100 NOK).
Is there anything about the typography of the numbers that allows a 66 to be distinguished from a 99 when the stamp is off-cover?
I'd appreciate any insight on this matter.
