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.
U.S. Postal First-Class Stamp Increases To 63 Cents - Framingham Source
Ask Randy: USPS Updates
USPS is hiking the price of a stamp to 66 cents in July — a 32% increase since 2019 - CBS News
Will the cost of a Forever stamp, mail get more expensive in 2023?
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USPS increases price of Forever Stamps to 63 cents
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Stamp price increase: USPS 'Forever' stamp, postcard cost to rise
Forever stamps price to increase in 2023: Here's how much and when
U.S. Postal Service to raise price of stamps again
Postal service raising price of Forever stamp, other services
U.S. Postal Service proposes price hike, Forever Stamp could rise to 66 cents - MyParisTexas
USPS wants to raise the price of a first-class postage stamp to 66 cents
First-class stamps set to rise 3 cents in July, less than six months after last rate hike - Washington Times