Centenary congress 22. – 27. September 1983
Issued 22.09.83 (not FDC)
Postmark: Wellington
Cachet: General & Mrs. Wahlstrøm
Stamps: Block of six SG 1303
Centenary congress 22. – 27. September 1983
Issued 22.09.83 (not FDC)
Postmark: Wellington
Cachet: General & Mrs. Wahlstrøm
Stamps: Block of six SG 1303