Three Stearman M-2 Speedmail and one Twin Beech E18S celebrating the 100 year anniversary of airmail in the United States. Engines running at Buchanan Field Concord California. 2018. NC489W NC485W NC663K N141ZA

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Three Stearman M-2 Speedmail and one Twin Beech E18S celebrating the 100 year anniversary of airmail in the United States. Engines running at Buchanan Field Concord California. 2018. NC489W NC485W NC663K N141ZA