Trial counterstamp issues of Maranhao, each with M and arabic numeral in lined shield, including, M and 5 on 20-Reis (KM.360.1), M and 10 on 40-Reis (KM.363.1, M and 20 on 80-Reis (KM.366.1), all very fine, a scarce group (3) (lot)

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Trial counterstamp issues of Maranhao, each with M and arabic numeral in lined shield, including, M and 5 on 20-Reis (KM.360.1), M and 10 on 40-Reis (KM.363.1, M and 20 on 80-Reis (KM.366.1), all very fine, a scarce group (3) (lot)