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 with theme "Birds - General"

  1. Us121.16-80
    Wns Number
    US121.16
    Country / Post
    United States of America
    Date of Issue
    August 04, 2016
    Subject
    Songbirds in Snow
  2. Us120.16-80
    Wns Number
    US120.16
    Country / Post
    United States of America
    Date of Issue
    August 04, 2016
    Subject
    Songbirds in Snow
  3. Us119.16-80
    Wns Number
    US119.16
    Country / Post
    United States of America
    Date of Issue
    August 04, 2016
    Subject
    Songbirds in Snow
  4. Us118.16-80
    Wns Number
    US118.16
    Country / Post
    United States of America
    Date of Issue
    August 04, 2016
    Subject
    Songbirds in Snow
  5. Us115.16-80
    Wns Number
    US115.16
    Country / Post
    United States of America
    Date of Issue
    August 02, 2016
    Subject
    Pets - Parrots
  6. Us104.16-80
    Wns Number
    US104.16
    Country / Post
    United States of America
    Date of Issue
    August 02, 2016
    Subject
    Pets - Parakeets
  7. Us048.15-80
    Wns Number
    US048.15
    Country / Post
    United States of America
    Date of Issue
    June 01, 2015
    Subject
    Coastal Birds - Frigatebird
  8. Us047.15-80
    Wns Number
    US047.15
    Country / Post
    United States of America
    Date of Issue
    June 01, 2015
    Subject
    Coastal Birds - Spoonbill
  9. Us046.15-80
    Wns Number
    US046.15
    Country / Post
    United States of America
    Date of Issue
    June 01, 2015
    Subject
    Coastal Birds - King Eider
  10. Us045.15-80
    Wns Number
    US045.15
    Country / Post
    United States of America
    Date of Issue
    June 01, 2015
    Subject
    Coastal Birds - Red Knot