Small-sized round badge, displaying the <a href="https://en.wikipedia.org/wiki/Peace_symbols#The_peace_symbol" class="extiw" title="en:Peace symbols">logo</a> of the <a href="https://en.wikipedia.org/wiki/Campaign_for_Nuclear_Disarmament" class="extiw" title="w:Campaign for Nuclear Disarmament">Campaign for Nuclear Disarmament</a>, 1960s.
<a href="https://en.wikipedia.org/wiki/Gerald_Holtom" class="extiw" title="w:Gerald Holtom">Gerald Holtom</a>, photographed by BirchallDanny
Personal collection