From the USPS press release November 15, 2024:

This new stamp for irregularly sized envelopes features a luna moth (Actias luna), considered one of the most beautiful moths in the United States. Artist Joseph Scheer created this composite image by using a high-resolution scanner with extended focus to capture multiple layers of a preservedmoth. Derry Noyes, an art director for USPS, designed the stamp.

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