Claude
The cachet artwork is a black-and-white illustration featuring iconic American architectural landmarks including the Sears (Willis) Tower, the Chrysler Building, TWA Flight Center (Eero Saarinen), and other modern structures, printed in grayscale with red text reading 'Official First Day of Issue' and 'Masterworks of Modern American Architecture.' The stamp depicts the John Hancock Center in Chicago, IL, shown from a dramatic upward angle highlighting its distinctive cross-bracing, denominated 37 cents with 'Hancock Center' and 'Chicago, IL' printed in the stamp header. The postmark is a rectangular machine cancel dated May 19, 2005, from Las Vegas, NV 89119, reading 'Masters of Modern American Architecture.' The cover is in excellent condition with clean white envelope.
Mistral
The cachet artwork features a detailed illustration of iconic American skyscrapers, including the Sears Tower, Chrysler Building, and TWA Flight Center, in a monochromatic design. The stamp depicts the John Hancock Center in Chicago with its distinctive cross-bracing, valued at 37 cents. The postmark is a machine cancel dated May 19, 2005, from Las Vegas, Nevada. The text includes 'Official First Day of Issue' and 'Masterworks of Modern American Architecture.' The cover is in excellent condition with clear and legible details.
(The automatic summaries sometimes misidentify the postmark as part of the cachet artwork.)
