Here we have UK Card Crafts White semi rounded blank business cards - also known as the leaf design with 2 corners being rounded and 2 normal.
These business cards are printable with all printer and you can also stamp on them.
Please check that your printer can take this size card as it may be too small for most printers.
They are made by UK Card Crafts so they are excellent quality.

You get 100 white ultra smooth blank business cards that are 85mm x 54mm and 250gsm