Claude
The cachet on the left features the United Nations emblem in blue at the top, the text 'FLAG SERIES' in blue lettering, and a colorful abstract artwork depicting overlapping painted brush strokes in red, green, blue, orange, purple, and other colors representing the diversity of nations. Four 20-cent United Nations stamps are affixed, each depicting a national flag: Malta (white with red cross), Czechoslovakia (white, red, and blue with blue triangle), Thailand (horizontal red, white, blue stripes), and Trinidad and Tobago (red with black and white diagonal stripe). A circular pictorial postmark reads 'UNITED NATIONS, N.Y.' with 'SEPTEMBER 1981' and 'FIRST DAY OF ISSUE,' featuring a 'Flag Series' design in the center. The cover is in excellent condition with crisp colors.
Mistral
This First Day Cover features the United Nations Flag Series issued in 1981, with four 20-cent stamps depicting the flags of Malta, Czechoslovakia, Thailand, and Trinidad and Tobago. The cachet on the left displays the UN emblem in blue along with the text 'FLAG SERIES' and an abstract design of colorful brush strokes in red, green, blue, orange, and purple, symbolizing international diversity. The postmark is a pictorial cancellation from the United Nations, NY, featuring the text 'Flag Series' and 'First Day of Issue'. The cover is in excellent condition.
(The automatic summaries sometimes misidentify the postmark as part of the cachet artwork.)
