How the future prospects of Malaya and British North Borneo specimen coin series?

The following were the results of Malaya and British North Borneo specimen coin series in Aug 2017. The results was beyond the market expectation compared to the transaction few years ago, how about your views about the potential of this specimen theme?

More than just a piece of paper: Federation of Malaya Government Premium Bond

Thanks to the collection sharing and article shared by Mr Petter Khaw through The Star, 25/08/2017. I do agreed it is another piece of pearl hasn't known by most collectors today.

收藏买卖那些事：要卖家买回以前售出的货品，可行吗？

非常感谢收藏圈前辈Lim Chee Chong先生给我们掀起了这个收藏买卖圈的现实问题。这个课题同时也暴露了很多收藏圈内被隐瞒及忽略的残酷事实，也许这确确实实是我们需要反省与深思的一面镜子教材。

How big the price gap of 1-numerical-mark difference for Straits Edward 1902 in mint state condition (2)

Question: How big the price gap among of these coins?

Answer:

If you are Malaysia collector, the following table is good for reference

How big the price gap of 1-numerical-mark difference for Straits Edward 1902 in mint state condition

Two identical coins were offer for auction by Heritage Auction in June 2017 which are NGC MS 63 and MS 62, in general practice most of us may hold the norm that the 1-mark-difference does not contain much different in coin condition or transaction price. However, this norm was not valid until the exceptional case as shown.  

海峡1862年的精发版和粗发版如何分别？（二）

海峡1862年的精发版和粗发版如何分别？（一）

首先非常感谢我们收藏前辈给大家分享《海峡1862年的精发版和粗发版如何分别？》，虽然与网友之间的讨论尚未达成客观事实，但是很多资讯确实很有未来的学术参考价值，故此，笔者也把它们记档下来，希望未来可以给予希望在有关领域研究的钱币学者。