Currently, the largest known number of the 3¢ vertical coil on cover, parcel piece, or tag is: 4.

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Description: First-class special delivery envelope containing 1/2¢ Washington Birth Bicentennial issue 1¢ Roosevelt memorial issue and 1¢, 1.5¢, 2¢, and 3¢ (4) Prexie vertical coils mailed from State of California Division of Mines in San Francisco California to Berkeley, California. The 18¢ in postage pays the 3¢ first-class rate and 15¢ special delivery fee.

Owner/Source: Richard Pederson

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