PoE 2 divination card designs

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Hornsent#1110 wrote:

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Yes, both Path of Exile 2 Unique Item Design and Divination Card Design will be available for purchase in very limited quantities at a later date.

(From PoE2 FAQ.)

I would like to know more, what will be the price and what does limited quantity means (will be it be time-limited)?

If it is indeed will be time limited, would it be possible to reserve a divination card design for later?

Although I assume it will be around PoE2 full release?