Dostałem odpowiedź od Singapore Post wsprawie 4234. Wiele się nie dowiedziałem ;)
"We regret to hear of your unpleasant experience and wish to extend our sincere apologies.
We would like to inform you that based on our tracking ref:
http://www.singpost.com/index.php, your registered article has been dispatched on 27 September 2014 to the Overseas Postal Administration for delivery to Poland.
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."