Postal Service forever stamps price raise from 63 to 66 cents

Adjusting for inflation, 50 cents in 2019 equates to about 60 cents in spring 2023, according to the BLS. The forever stamp is going from 63 to 66 cents.
The price has been raised five times since 2019.

USPS is hiking the price of a stamp to 66 cents in July — a 32% increase since 2019 - CBS News

Stamp Prices Are Going up Again, This Time Hitting 66 Cents

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New year, new price to mail a letter via US Postal Service

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Price of Forever Stamp on the Rise Again

The USPS is set to increase the price of Forever Stamps

US postage stamp and shipping prices go up Sunday - ABC News