Who told you Tabac Blond is discontinued? This is the first I hear of it.
The Basenotes directory lists it as in production still.
Carons are difficult to get in certain scents, because they are "urn" fragrances available only at the boutiques, but not all.
Here is one place where it is available:
Although the price suggests they have made a mistake and they mean parfum, not eau de parfum?