I received a registered cover from Myanmar. Inside was a few First day covers and mint stamps.
First FDC is The 70th Anniversary of the Ministry of Foreign Affairs, issued on 17.03.2017. This is unofficial cover, printed only 10 pieces!
This FDC is also The 70th Anniversary of the Ministry of Foreign Affairs, but this is official issue.
Third FDC is The 69th Anniversary of Independence, issued on 04.01.2017.
mint stamps:
Musical Instruments - Myanmar harp, issued on 17.05.1999.
Musical Instruments - Rakhine auspicious drum, issued on 12.02.1999.
Musical Instruments - Myanmar xylophone, issued on 28.08.1998.
The 27th South East Asian Games, issued on 02.09.2013.
The 44th Anniversary of the Independence, issued on 04.01.1992.
The 69th Anniversary of Independence, issued on 04.01.2017.
And last 3 stamps are set Union Peace Conference - 21st Century Panglong, issued on 29.08.2016.
Stamps on cover:
The 68th Anniversary of Independence, issued on 04.01.2016.
Musical Instruments - Kachin brass gong, issued on 12.01.2000.
Thank you Alastair!