Robert Oster Signature Inks are a new line coming out of South Australia and are making enthusiasts sit up and take notice! They are very competitively priced too. So, I acquired a handful of these, thus: Moss Emerald Green Deep Sea Bondi Blue Fire Engine Red Yellow SunsetIn the following short reviews the writing samples are created using an Osmiroid B4 italic nib and an Esterbrook 2048 fitted to a standard XT Esterbrook dip-less pen holder. All writing is by dipping. More time is needed to discover how these inks behave in cartridges, converters or eyedroppers. Swabs and comparisons with other inks will be provided later in the week – I’m all out of Q-tips! Call 911 (or whatever your country's equivalent is) there's a fire on the board! That's a bright and brisk red, a good solid colour. No shading or sheen. Reasonable dry times on Rhodia paper. I like this one, I like it a lot. It's lighter than Diamine Reds Dragon, but it pops more because of this.