I bought two Stipula's Calamo inks, one in sepia color and the other in black. I have used the sepia color which is just so beautiful! By using it with a medium-fine nib it looks like a chocolate brown, probably with a broad nib you can detect the different brownish nuances. I bought the largest bottle (80 ml) which had a fabulous sale price of about $12 which is the same price you pay for other more known brands like Pelikan, Waterman but for a 30ml (smaller) bottle. All in all, so... I'm very satisfied with this brand's ink.