Sierra Leone 2019 MNH Special Transport Stamps Harke Sikorsky Helicopters 4v M/S

(Le12500) - Mil Mi-10 Harke. (Le12500) - Sikorsky S-64 Skycrane. Sierra Leone 2019 Special Transport - Mint Never Hinged (MNH). Sheetlet with 4 values (4v M/S).

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