Joachim Manuel Da Rocha ( 1727 - 1786 ) was a painter. Joachim Manuel Da Rocha s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 13753.58 USD for THE BURNING OF A SHIP ON THE RIVER TAGUS, LISBON, WITH ONLOOKERS IN THE FOREGROUND, THE CASTLE OF SAO JORGE BEYOND in 2005