15-cents Clay Stamp (Scott #309)

The Henry Clay stamp was issued May 27, 1903, and primarily found use on registered mail, parcels, and heavy letters.

Varieties (Scott catalog number):

Common Uses:

• Registered mail
• Parcels
• Heavy international letters

Solo Uses:

• 3 times UPU 5¢ foreign letter rate
• 10¢ registry fee (effective Nov. 1, 1909) plus 5¢ foreign letter rate.

Favorite Covers:

• Registered mail
• Registered advertising cover
• Earliest Documented Use (EDU) on cover