"Obus de campanha 11,4 cm/16 TR Mk.II m/1917 (Bonifácio) da I Guerra Mundial Origem Gra-Bertanha"
A few more photos here. https://www.facebook.com/ViaturasMilitaresPortuguesas/photos/a.196203433852669.48515.169422473197432/170590393080640/?type=3&src=https%3A%2F%2Ffbcdn-sphotos-d-a.akamaihd.net%2Fhphotos-ak-xfa1%2Fv%2Ft1.0-9%2F480864_170590393080640_397059275_n.jpg%3Foh%3D7f2900bf11541522983bfad46565197a%26oe%3D559C3CCE%26__gda__%3D1436842864_9f47455cacba65c18d9e88bc3c03bcfe&size=920%2C616&fbid=170590393080640#!/media/set/?set=a.213695225436823.50644.169422473197432&type=3
"Another day, another dolour"