Close Menu
- Classic U.S. Stamps
- 19th Century
- 20th Century
- 1900sScott 294-373
- 1910sScott 374-547
- 1920sScott 548-681
- 1930sScott 682-858
- 1940sScott 859-902
- One-of-a-Kind Stamps
- Bargain Stamps
- Modern U.S. Stamps
- 20th Century
- 1940sScott 903-986
- 1950sScott 987-1138
- 1960sScott 1139-1386
- 1970sScott 1387-1802
- 1980sScott 1803-2438
- 1990sScott 2439-3369
- 21st Century
- 20th Century
- Back-of-Book
- Semi-Postal (B)
- Complete Booklets (BK and BKC)
- Air Mail (C)
- Air Mail Special Delivery (CE)
- Special Delivery (E)
- Registration (F)
- Certified Mail (FA)
- Postage Due (J)
- Shanghai’s (K)
- Officials (O)
-
- Scott O1-O9Agriculture
1873 - Scott O10-O14Executive
1873 - Scott O15-O24Interior
1873 - Scott O25-O34Justice
1873 - Scott O35-O45Navy
1873 - Scott O47-O56Post Office
1873 - Scott O57-O71State
1873 - Scott O72-O82Treasury
1873 - Scott O83-O93War
1873 - Scott O94-O120Soft Paper
1879 - Scott O121-O126Postal Savings
1910 - Scott O127-O163Modern Officials
1983 to 2009
- Scott O1-O9Agriculture
- Parcel Post (Q)
- Parcel Post Postage Due (JQ)
- Special Handling (QE)
- Postal Insurance (QI)
- Hunting Permit (Duck Stamps) (RW)
- Junior Duck Stamps (JDS)
- Modern Imperforate Stamps
- Plate Blocks
- Plate Number Coils
Go BackScott O52
Scott O52
12c BLACK - Numeral 12 - Black
Flat Plate; Perf 12 x 12; Thin Hard Paper (CBN)
Flat Plate; Continental Bank Note Company
Reference Images
Scott O52
12c BLACK
Numeral 12
Black
Pane Single
(reference or stock image)
