Wing mirror/door moulding

Hi there - just noticed that I've got a bit of moulding missing from the driver's side door/wing mirror (in pic). Tips on what to search to find a replacement? Hopefully a simple fix!

Thanks!

  PXL_20210206_195152917.jpg (Size: 3.28 MB / Downloads: 20)

  PXL_20210206_195124684.jpg (Size: 3.48 MB / Downloads: 23)