Claude
The cachet features the United Nations emblem in blue at top left, with 'FLAG SERIES' text and a colorful abstract artwork showing overlapping paint strokes in red, blue, green, orange, and other colors arranged in a brick-like pattern. Four 20-cent United Nations stamps depict the national flags of Djibouti, Sri Lanka, Bolivia, and Equatorial Guinea on gray backgrounds. The pictorial cancellation is circular, reading 'UNITED NATIONS, NY' with 'FIRST DAY OF ISSUE' and dated September 25, 1981, featuring a stylized 'Flag Series' design in the center. The cover is in excellent condition with no visible damage.
Mistral
This First Day Cover features four 20-cent United Nations stamps depicting the national flags of Djibouti, Sri Lanka, Bolivia, and Equatorial Guinea. The cachet artwork on the left side showcases an abstract design with overlapping colorful paint strokes in red, blue, green, purple, and orange, arranged in a brick-like pattern. The UN emblem and 'FLAG SERIES' text are prominently displayed above the artwork. The stamps are cancelled with a pictorial First Day of Issue circular postmark from United Nations, NY, dated September 25, 1981. The envelope is in good condition with clear, vibrant colors.
(The automatic summaries sometimes misidentify the postmark as part of the cachet artwork.)
