Denmark, 1855-57, 2sk blue + 8sk green + 16sk gray lilac, Horizontal Strip of Four. All tied by "181" numeral ring cancels on 1858 folded letter from Copenhagen to Marseilles, France, "Sjæll Post Sped Bureau, 14/9, 1858" cds and reverse with numerous transit and "Marseille, 18 Sept, 58" receiving cds; cover edge wear and central vertical file fold ending in tear at bottom and affecting left 16sk, F.-V.F., a very rare quadruple rate usage to France; with 2004 L. Nielsen certificate. Scott No. 3+5+6. Facit No. 3+5+6  Estimate $1,500 - 2,000. $0 (Image)