Accompanied by Patek Philippe Extract from the Archives confirming production of this watch in 1962 and its subsequent sale on 1 April 1963. Furthermore it is delivered with a Patek Philippe presentation box.
Production of reference 2591 was launched in 1957. It appears that only few examples were made in platinum.
A similar watch is illustrated in Patek Philippe Wristwatches by Martin Huber & Alan Banbery, 2nd edition, p. 189, pl. 295.