Cadet button: Newington College

This button was made by Hammond, Turner & Sons, and is found on their history blog, which is well worth a visit.

Used from https://hammond-turner.com/button-galleries/uniform-buttons/ with kind permission.

See also  http://www.austbuttonhistory.com/wp-admin/post.php?post=9728&action=edit

Beutron

This magnificent style only appeared in advertising in 1951. The disks occur in multiple colours, and the centres in silver, gold and pearlised.