A 9CT GOLD "YARD-O-LED" PROPELLING PENCIL of octagonal form with engine turning enclosing a vacant
Lot 105
Lot 105
A 9CT GOLD "YARD-O-LED" PROPELLING PENCIL of octagonal form with engine turning enclosing a vacant oblong panel, London 1960, patent No.422767, 4 3/4" long, cased (Est. plus 21% premium inc. VAT)