Imperfs exist.The stamps don't have enough margins to be sure.
The 45c looks almost ok but it could be trimmed from a well centered stamp.Sheet edge imperf copies are best.. These are scarce stamps used...
__________________________________________________________ One of the tricks forgers have used is 1)Trimming the stamp at the frame line.2)Using a heavy press and abrasives; the stamp is reduced in thickness.
3) Finding comparable paper,the exact dimension of the stamp is pressed(abrasives) in the blank space,reducing the thickness (same a the trimmed stamp).
4) The original stamp is pasted in the the depressed part.5) All that's left is to cut out the stamp with wide margins.
This can fool many from a photo.
