Registration stamps were issued in 1911 and were used to pay the fee on registered mail. Certified Mail stamps were issued in 1955 and paid the fee for certified mail.
US Stamps
2 records.
1955 15c Certified Mail US #FA1

1955 15c Certified Mail

$0.40- $45.00
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1911 10c Registration Stamp, ultramarine US #F1

1911 10c Registration Stamp, ultramarine

$4.75- $1,300.00
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