1920 Chassepot varieties from the original printing, one 15r perforated stamp for comparison with the imperforate, each with Pateman guarantee note (Image)

1922 Second Yessayan, unissued values, three different originals each with Pateman guarantee notes, plus two forgeries. Scarce material - reprints make the stamps seem more common than they are (Image)

1920 matched group of unframed Z on 5 kop in black and violet, the latter signed: Serebrakian. Then black and violet Z plus 5r (Mi 50 and 106 I), total Mi over 600€, ex Trevor Pateman (Image)

1920 overprints on 25 kop remarkable group includes Mi 110 Ib, 110 IIa (2 copies), 110 IIb (Z obscured by cancel but signed Dr. Ceresa). Mi over 1200€, two stamps on Ashford album fragments, ex Trevor Pateman (Image)

1922 First Yessayan, stockpage of 40 fresh very fine mint ** stamps (except the misperforated pair), all genuine fro the original printing, ex Trevor Pateman (Image)

1923 Yerevan series with rubber handstamp overprints, much scarcer than the metal ones. Balance of a stock, 17 stamps, some with signatures, ex Trevor Pateman (Image)