No idea of Koala values but best guesses for the rest; 1kg 2009- $1,200 10oz Dragons- $340 10oz Kook- 2008 $400, 2012 $310? 10oz PM- $242.35 ASE's $29-$31 Scottsdale- $27ish depending on which one, Omnia's probably $29 Buffalo- $26 if US one or $28 if XAG First Majestic- $26 Maple- $30 OPM- $26 Silvertown- $28 Guildeds- $80+