Unknown transaction on my statement and no proper response from standard bank staff

<p>Hi, I am Standard bank credit card account holder and Recently I have experienced 2 problems with this so called bank. Firstly, My credit card replaced but no notification sent me if standard bank is going to deliver my card or not, Secondly, I am seeing unknown transaction on my latest statement, When I have called up to findout what is this transaction about and the consultant is also not aware of what this is and she wants me to contact ***** department why this has got charged. I am really frustrated with the standard bank pathetic services. If this continues, I will close my standard bank all account and will switch to other bank. Thank you.</p>