I vote Czech, but I'm not sure which company. It haven't seen exactly this form so far in ZBS pieces from Klinger, neither the use of 2 different colours. It might be an early piece, or by a different maker (like Zemek? The colour use reminds me a bit of the Rhapsody and Harmony pieces by him for Mstisov). The engraving does remind me more of ZBS, though.