Upside-down and mirror looking magic square of order 4  with magic sum 88 published by Macau Post Office, China.   Alex Bellos, Science and Mathematics, Macau's magic square stamps just made philately even more nerdy, https://www.theguardian.com/science/alexs-adventures-innumberland/2014/nov/04/macaus-magic-square-stamps-just-made-philately-even-more-nerdy

References: Inder J. Taneja, 2020 In Numbers: Mathematical Style – Revised,    Zenodo, December 31, 2019, pp. 1-37,   http://doi.org/10.5281/zenodo.3596193. Inder J. Taneja, Power-Type Semi-Selfie Numbers and Patterns, Zenodo, July 16, 2019, pp. 1-130,  http://doi.org/10.5281/zenodo.3338366 Inder J. Taneja, Patterned Selfie Fractions, Zenodo, October 27, 2019, pp. 1-267,  http://doi.org/10.5281/zenodo.3520096 Inder J. Taneja, Running Expressions: Increasing and Decreasing Orders,  https://inderjtaneja.com/2017/05/24/running-expressions-increasing-and-decreasing-orders/ Inder J, Taneja, Crazy … Continue reading 87th and 88th Day of Year: 27.03.2020 and 28.03.2020