Tan Wei Jie

weijie (at) tanwj.com



O-Level/A-Level Private Tuition for Mathematics and Physics

A Singapore-Based Electronic Guidebook for Mathematics

Photography in Singapore by Tan Wei Jie


  • 06Jan

    The semi-mysterious C8 cancellation machine returns once again. It was previously mentioned that the C8 machine was used to cancel C4 sized (229 mm × 324 mm) envelopes containing printed matter. This is evident from the large number of C4 sized envelopes received over the past three years bearing the C8 cancellation mark.

    However, it seems that the C8 cancellation went onto a recent C6 sized (114 mm × 162 mm) envelope, which is four times smaller. This cover is dated 2 January 2010.

    Posted by Wei Jie @ 14:26

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