The stamp itself paid the first-class rate for double-weight mail.

What the recipients received for the money was a copy of a 1968 notice setting the first-class rate at 6 cents.

It paid the domestic first-class rate for letters weighing less than a half ounce.

The postage on envelopes must cover the first-class rate of 25 cents.

The 22-cent first-class rate has been in effect since Feb. 17, 1985.

Using fractional stamps is just a matter of adding up to the 25-cent first-class rate.

Be prepared to pay first-class rates in a first-class hotel.

Since 1971, first-class postal rates have increased from 8 to 25 cents.

It also met the two-ounce first-class rate in effect at the time.

Each time, he reimbursed the plane's owners at first-class rates, as Senate rules require.