Switzerland, Geneva, 1850, "Vaud", 5c black & red, four large margins, tied by black lozenge cancel with matching "Geneve/31 Janv, '51" postmark alongside on entire letter sheet used locally, Very Fine and choice; with 1973 Nussbaum and 2011 Eichele certificates. Zumstein Nos. 10. Scott Nos. 2L6  Estimate $2,000 - 3,000. $0 (Image)