Two journalists set off on a quest to hand deliver a letter to a grandmother in Puerto Rico from her family on the mainland of the United States.

Also: we learn why Che Guevara is being honoured on a postage stamp in Ireland; we admire the art of Martin Ramirez which has been featured on postage stamps in the US; plus we read one of the most timeless job application letters in history, sent by a copywriter, Robert Pirosh, to studio directors in Hollywood, in 1934.

(Image: Janet Franceschini Colon (left), Jennifer Santos Franceschini (middle), Jenelyn Santos (right) and Jennifer's two daughters are pictured. Credit: PRI’s The World)