(Decanter) - Penfolds has announced its most expensive collector's item to date – a complete vertical for £1.2m. The centrepiece of the one-off ‘Penfolds Collection’ is a complete vertical of Grange from its first experimental vintage in 1951 (pictured) through to the current 2007. It comes hot on the heels of its controversial £100,000 Ampoule launch earlier this year,