create or replace type t_money as object ( 
  val number(14,2) 
 ,cur varchar2(3 CHAR) 
); 

create or replace type t_wallet as object ( 
  name   varchar2(50 CHAR) 
 ,amount t_money 
); 

create or replace type t_wallets is table of t_wallet; 

declare 
  walletCollection t_wallets; 
  cursor walletCursor is  
    select 'some name'          as name 
          ,t_money(99, 'EUR')   as amount 
      from dual; 
begin 
  open walletCursor; 
  fetch walletCursor bulk collect into walletCollection; 
  close walletCursor; 
end;