What is a G rate Stamp worth?

The most common G rate stamps sold for 32 cents and are still worth that amount

as postage. There was also a make-up rate stamp worth 3 cents that was intended

to be used with a 29 cent stamp to reach the new G rate of 32. There was also a G rate

stamp for post cards, worth 20 cents and one for non-profit presort use, worth 5 cents.