1852 10c Black on thick brownish ("camoscio" paper, Proof sheet of twelve, without gum as issued, wonderfully fresh and Very Fine, quite rare in this premium condition; signed in bottom margin by G Bolaffi, P Vaccari and E Diena, 2016 Cardillo certificate; Illustrated on page 48 at -½1852 MODENA 2002-150-¦ anniversario dei francobolli estensi - VACCARI-+ (Sassone P3, EUR11,000) (Image)

CV. 2,000-2,500

1852 10c Black on thin yellowish paper, Proof sheet of twelve, without gum as issued, wonderfully fresh and Very Fine, a true condition rarity; signed in bottom margin by G Bolaffi, P Vaccari and E Diena, 2016 Cardillo certificate; Illustrated on page 47 at -½1852 MODENA 2002-150-¦ anniversario dei francobolli estensi - VACCARI-+ (Sassone P13, EUR11,000) (Image)

CV. 2,000-2,500