This First Day Cover displays the following characteristics:

Overall Design:

• Cream-colored envelope with "First Day Cover" typed in the upper left corner
• Clean, unadorned cacheted First Day Cover format

Postmark:

• Circular Washington D.C. postmark
• Clearly dated "OCT 16 9-AM 1940"
• Well-struck impression partially covering the stamps

Stamps:

• Pair of two identical 2-cent stamps in bright red/rose color
• Design features "UNITED STATES OF AMERICA" header
• "ARMY AND NAVY" prominently displayed
• "FOR DEFENSE" text at bottom
• Central image shows military artillery/anti-aircraft equipment
• "2 CENTS" denomination on each stamp

Cachet:

• Right side features black horizontal lines
• Text reading "—FIRST DAY OF ISSUE—" between the lines
• Simple but effective commemorative marking

Addressing:

• Typewritten address to "Mr. Donald McGregor"
• "St. Johnsbury, Vermont"
• "Box 372"
• Professional typewriter formatting

Condition:

• Paper shows light aging consistent with 1940s materials
• Pencil notation "10" in bottom right corner
• Generally excellent preservation for its age
• No major flaws, tears, or staining visible

This cover commemorates the October 16, 1940 issue of the National Defense series stamps during the pre-WWII military buildup period.