The stamp you're referring to is the United States Scott #C7, featuring an engraved depiction of a map of the United States with two mail planes flying above it. It has a denomination of 10 cents and is colored dark blue. Printed using the engraved, flat plate method, it does not have a watermark. The stamp was issued between 1926 and 1927 in the United States.

This stamp holds historical significance as part of the United States airmail series, which played a crucial role in the development of airmail services in the country. The introduction of airmail services represented a major milestone in mail delivery, allowing for faster and more efficient transportation of mail over long distances.

The design of the stamp, featuring the map of the United States with mail planes in flight, symbolizes the importance of airmail in connecting distant regions of the country. It reflects the technological advancements and pioneering spirit of aviation during the early 20th century.

Overall, the Scott #C7 stamp is not only a collectible piece of philatelic history but also serves as a tribute to the ingenuity and progress of airmail services in the United States.

The U.S. Scott catalog is a comprehensive guide to US stamps, providing details on various issues, including condition and rarity. Stamps can range from mint condition (unused, with full gum and no faults) to used (cancelled with varying degrees of wear). Mint stamps are graded based on centering, gum condition, perforations, and overall appearance.

Used stamps can range from lightly cancelled to heavily cancelled, with factors such as centering, color, and cancellation clarity affecting their value. Stamps with faults, such as tears, creases, or repairs, are typically less valuable.

Shipping time for Scott catalog orders is typically within 24 hours, but it may vary depending on the seller. Professional grading services can provide certification for stamps, indicating their condition and authenticity, which can affect their value and collectibility.

All orders placed for US stamps through the Scott catalog are tracked, ensuring secure delivery to customers. Every stamp will be placed inside a stamped mount to protect your merchandise. It's important to note that the stamps being sold are not professionally graded unless specified otherwise with certification, such as a mystique stamp certificate. This means that customers should carefully review the descriptions and images provided to assess the condition and authenticity of the stamps before making a purchase. Shipping time for orders is typically within 24 hours, and customers can track their packages to monitor delivery progress.

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