Thanks for the kind comments, Nigel. I use the splicing technique because cannot use paint properly. It is always a mess, and I ruined the entire work. Black hornbeam I source directly from Russia: Сергей Трубчанинов Sergey Trubchaninov (Bibigon)
msservice@list.ru He doesn't have large varieties of timber but specialize on rose Pearwood and black hornbeam, He sells billets and can cut individual planks (custom sizes). He will send you price list unfortunately in Russian. If help needed to translate I will be more than happy to help.