napisałem maila do poczty singapuru, oto odpowiedź:
Thank you for your email on 20 February 2015 regarding the status of your Registered Article [RB002244439SG].
We would like to inform you that based on our tracking ref: http://www.singpost.com/index.php, your registered article has been despatched on [11/02/2015] to the Overseas Postal Administration for delivery to [Poland].
Please be advised that the estimated delivery timing for your registered article to reach [Poland] will be [8-10] working days, excluding weekends, public holidays, subject to Customs Clearance, festive peak season and weather conditions.
We regret that SingPost is only able to advise the status of Registered Articles up to the point they leave Singapore. Please have your recipient check with the country of destination's Postal Agency (Local Post Office or website) for further information.
Thank you for your understanding.
Regards,