1873-76 two covers, one franked with 25c blue, tied by "2387" large numerals, with Monaco (22 Aug.73) departure cds, with framed "B" (rare "Boite Urbaine", urban cancel of the Place du Casino), addressed to Nice, filing fold through the stamp at top; the other franked with 30c brown tied by "Monaca Principaute" (28 Apr.76) cds, addressed to Genova and redirected to Chiavari, fine pair of covers from Monaco (Image)

Est.US$1,000