Monaco, Precursors : Sardinia 20c blue OB C. MENTONE on fragment Sardinia 10c brown OB C. MENTONE Sardinia 10c brown and 40c red OB C. MENTONE on fragment France, 1853-1860, 20c blue in pair OB C. MENTONE on fragment France, 1870-1871, 40c orange as a pair OB GC 2387 France, 1862, 20c blue OB GC 2387, C. MONACO/87 on letter for Nice (1863) France, 1877-1900, 5c green and Monaco, 1885, 2c brown OB C. MONTE CARLO on front of letter (1885) Lot of 1 front, 1 letter and 5 cancels on detachments, medium quality