Notes of Grading
Mint: Never Hinged Original Gum.  Just as issued by the Post Office.
Unused: With Gum - Having hinge mark or other light gum disturbance.
No Gum: Without Gum - Appears unused but without gum.  Often best for framing.
Used: Signed by hunter or bearing postal cancellations or other markings.
VF-XF: Very Fine to Extra Fine. Well-centered design
F-VF:  Fine to Very Fine. Nicely centered with perfs clear of design.
FINE:  Fine. Off-centered, but perfs do not touch design.
AVG:   Average. Perfs may touch or cut into design, minor flaws or defects may occur, usually not affecting appearance.
RG:  Re-gummed.
GS:  Gum Skip
Serial Numbers on Indian Reservation stamps will be similar to those pictured.
Plate Number Blocks: RW 1 through RW 25 and RW 31 were issued with the plate no. at the top or bottom of the pane. A plate block of these issues consists of 6 stamps with selvage on two sides and plate no. near center. All others were issued with the plate no. in the corner of the pane, and a plate block consists of 4 stamps with selvage on two sides and a plate number near the corner.  As many of these plate blocks are one-of-a-kind, please call and verify availability before ordering.