1874/1913, comprehensive mint and used holding in a thick stockbook with plenty of material, showing a deep specialisation incl. types, perforations, shades, overprints, varieties etc., some are stated to be very rare. A marvellous tresure for the specialist which derserves a very close examination! (Image)

1874/1913, mint and used holding on stockcards in two small binders, well sorted throughout incl. complete sets, blocks of four, overprints, perfectly cancelled stamps, postage dues, imperfs etc. (Image)

1880/1913 (ca.), BLOCKS OF FOUR (and also some large units), comprehensive mainly mint holding of multiples in a thick stockbook, comprising a marvellous section of Nikolai issues, overprints incl. some varieties, 1897 Jubilee issue etc. Very rarely seen offer, especially in that comprehensiveness! (Image)

1880/1913 (ca.), SPECIALITIES, comprehensive holding in a thick stockbook, comprising an enormous range of imperfs, particularities of printing (double impression, shifted etc. etc.) mainly with annulments (printer's waste), and also a stunning array of varieties of overprint. Great lot for the specialist, rarely offered in that comprehensiveness! (Image)

1902, Definitives "Nikolai", specialised assortment of apprx. 140 stamps incl. multiples, imperfs, proofs, better shades, some signed/certificate Velickovic. Michel nos. 41/50 ex. (Image)