The current UPU International Reply Coupon. (expires 31/12/2025).

Issued by Singapore and postmarked "Orchard B. Singapore" on 19/1/2024.

Exchanged at "Baucau, Timor Leste" on 1/4/2024.

Anything from Baucau post office (2.5 hours east of Dili) is very hard to find.