There are quite few "watchers" for the item and have received private contact to ship outside the EU as well, so I think I will seel most if not all of it. I did try to gather opinion on my original post if it was worth portioning and no one actually comment on it, however, if there is any stock left at the end of the advert, I will portion it, probably in 150g pieces and see if it seel fasters.
Also, let me use this post to point out that due to the "vintage" age, and the fact that I am everyday more convinced that these were 1kg block that lost all the moisture (30-40% of weight- considering that aqua was the main ingredient on the list), you probably need more water in the brush then you are used to to make it leather well.