Lindbergh concern, circa 1926
Else clues• Fast delivery
• Fast delivery option
• Fast delivery service?
• High-flown correspondence?
• Kind of stamp
• Means to a speedy delivery
• One way to send a letter
• One way to send packages overseas
• Post by plane
• Post for quick delivery
• Post-office stamp
• Postal option
• Sender's option
• Service begun May 15, 1918
• Skywriting?
• Speedy delivery
• Type of postage stamp
• USPS option
• West coast Scotsman heard in international communication (7)
• Letters and packages that are transported by aircraft
• A system of conveying mail by aircraft