The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.

All registered stamps issued by United States of America in 2019

The 2019 issuing programme is not available.
  1. Us021.19-80
    Wns Number
    US021.19
    Country / Post
    United States of America
    Date of Issue
    March 29, 2019
    Subject
    Coral Reefs
  2. Us022.19-80
    Wns Number
    US022.19
    Country / Post
    United States of America
    Date of Issue
    March 29, 2019
    Subject
    Coral Reefs
  3. Us023.19-80
    Wns Number
    US023.19
    Country / Post
    United States of America
    Date of Issue
    March 29, 2019
    Subject
    Coral Reefs
  4. Us024.19-80
    Wns Number
    US024.19
    Country / Post
    United States of America
    Date of Issue
    April 02, 2019
    Subject
    Music Icons - Marvin Gaye
  5. Us025.19-80
    Wns Number
    US025.19
    Country / Post
    United States of America
    Date of Issue
    April 10, 2019
    Subject
    Post Office Murals - Piggott, AR
  6. Us026.19-80
    Wns Number
    US026.19
    Country / Post
    United States of America
    Date of Issue
    April 10, 2019
    Subject
    Post Office Murals - Anadarko, OK
  7. Us027.19-80
    Wns Number
    US027.19
    Country / Post
    United States of America
    Date of Issue
    April 10, 2019
    Subject
    Post Office Murals - Florence, CO
  8. Us028.19-80
    Wns Number
    US028.19
    Country / Post
    United States of America
    Date of Issue
    April 10, 2019
    Subject
    Post Office Murals - Deming, NM
  9. Us029.19-80
    Wns Number
    US029.19
    Country / Post
    United States of America
    Date of Issue
    April 10, 2019
    Subject
    Post Office Murals - Rockville, MD
  10. Us030.19-80
    Wns Number
    US030.19
    Country / Post
    United States of America
    Date of Issue
    April 23, 2019
    Subject
    "Little Mo"