Reference Guide - Gaining Possessions and Conditions wrote:
Gaining a Specific Card: Some effects instruct an investigator to
gain a specific card by name (for example, “Gain an Axe Asset”).
The investigator searches that card type’s deck then discard pile
for the first card matching the specified name and gains that card.
Then he shuffles the deck.
• If the named card is in the reserve, the investigator gains that
• If the specified card cannot is not found while searching, he does
not gain a card. For instance, if other investigators or defeated
investigators possess all copies of the card or all copies of the
card have been returned to the game box.