Symbol Key

- NH (Never Hinged, Original Gum)
- OG (Original Gum)
() - Unused (without gum)
- Used	FDC - First Day Cover
- Cover	LIT - Literature
- Airmail	PB - Plate Block
- Block	P - Proof
BP - Booklet Pane or full booklet	S - Specimen
- Collection	S/S - Souvenir Sheet
E - Essay	TC - Trial Color Proof
EPH - Ephemera	(PH) - Photo