Del Lama's career as a money changer would not have been possible without the help of the powerful Medici family, in particular Cosimo de' Medici, who appears prominently at Mary's feet.

Above the high stiff collar of his jacket his firm double chin stuck out prominently, beneath his bushy eyebrows the glance of his black eyes was freshly penetrating and alert, his otherwise dishevelled white hair was combed down into a carefully exact shining part.

Mars is sometimes called the red planet, the fourth rock from the sun, and among other things, it features very prominently in Gustav Holst's 7 movement orchestral suite, The Planets, which was written in about 1915, worth giving a listen to if you haven't yet run into it.