1922-23 50'000 on 3'000R in two blocks of eight and inverted surcharge in vert. pair with normal on insured cover from Baku to Germany, with white blue-framed label on obverse, some imperfections due to the size of the blocks, scarce; cert. Behr (2023). (Image)

Bergkarabach : 2008 printing sheet with 8 mini-sheets 43-45, tiny imperfections in the margin, all stamps free from faults.