Left handed. Post 1410 is reversed. Look at the letters on the presidential seal and the lamp hanging above. 1401 is correct.
Trump tweet of a boat parade featuring the Trump wrapped boat playing the national anthem. 17 second video. Note man saluting at attention at 12 seconds and the blue Trump hat at 14 seconds. Awesome!
https://twitter.com/realDonaldTrump/status/1257009530673803268?s=20