哈哈....要不寄挂号信？ 新币2.2，我出信封http://www.singpost.com/send-documentparcel/registered-article/53-personal/send-documentparcel/422.html#2 Q2: How much do I need to pay for registered article service? Excluding the postage cost for the item, the local registered article service costs S$2.24 (includes GST) while for international, S$2.20. Postage cost varies according to the weight of the item. Click here for postage rates.