I need my card replaced please

To replace a lost Apple Card credit card, see the following from Request and activate a titanium Apple Card - Apple Support

If your card is lost, damaged, or stolen, you should lock the card, then request a replacement card. You can also chat with an Apple Card specialist. If you're a participant under 18, ask the account owner or co-owner to request a replacement card for you.

To change the name on your Titanium Card, first call or chat with an Apple Card specialist, then request a new card.

On iPhone

1. Open the Wallet app.
2. Tap Apple Card.
3. Tap the More button , then tap Card Details .
4. Scroll down to Titanium Card and tap Request Replacement Card, then follow the instructions on your screen.

On iPad

1. Open the Settings App.
2. Scroll down and tap Wallet & Apple Pay.
3. Tap Apple Card.
4. Under Titanium Card, tap Request Replacement Card, then follow the instructions on your screen.