29. Aug. 2017 received covers

Two first day covers from Kulim, Malaysia. Thank you, Siew Lan.

Another two official first day covers from Ipoh, Malaysia. Thank you, KKKhor.

Two covers from Japan. Thank you, Minoru.

Cover from Germany.

Two stamps depict the world through a microscope.

Thank you, Martin.

Cover from Czech Republic. Thank you.

Cover from Finland. Thank you.

Cover from China. Thank you, Wu.

Cover from T.A.A.F. Thank you, J-P.

 Official first day cover from Hong Kong. Thank you, Brian.