Details
                                        
                                            A diamond and coloured diamond novelty brooch, 
modelled as a question mark, the diamonds shading from dark brown, orange greenish yellow, yellow and pale pink through to near colourless.
See front cover illustration
                                        
                                    modelled as a question mark, the diamonds shading from dark brown, orange greenish yellow, yellow and pale pink through to near colourless.
See front cover illustration