Wally Morgan (Designs) Ltd, a silver bangle, London 1969, stamped ‘WM (D)‘ for Wally Morgan (Designs) Ltd, composed of random rectangular open panels, with milled edges at points, with a simple hook catch, made from one long length of square section wire, approximately 4.1 cm wide, inner diameter approximately 6 cm SOLD

This was reputedly purchased at the 1970 Goldsmiths Hall exhibition by the vendors father from Wally Morgan (Designs) Ltd

A similar bangle and bandeau with the same provenance can be found on this site here

https://johnkelly1880.co.uk/product/wally-morgan-designs-ltd-5/

https://johnkelly1880.co.uk/product/wally-morgan-designs-ltd-2-2/