How to solve Jaheira's Sanctuary Pin Slot puzzle in BG3

After speaking with Tate he says he's giving Jaheira her harper pin but it doesn't show up in my inventory, any ideas how to fix this?

Though obtained in Act One, this pin fits into a hidden slot in a desk within Elerrathin's Home in Act Three Baldur's Gate 3 Wiki

bg3 pin slot To find the object for the Pin Slot puzzle, you must speak to Tate on the second floor of Elerrathin's Home It may be easier to have Jaheira in your party,

bg3 jaheira home pin slot The Pin Slot puzzlein BG3 is tucked away in Jaheira's Study within Elerrathin's Home during Act 3 Having Jaheira in your party ensures a smooth entrance to