KUALA LUMPUR, March 30 -- Somewhere in the heart of Kuala Lumpur, modern folklore tells of a story of a million worth of real Malaysian banknotes hidden in plain sight.

Yet such a priceless treasure (and definitely not folklore at all) can be found nestled behind an acrylic tunnel wall within Bank Negara Malaysia's (BNM) Museum and Art Gallery at Sasana Kijang along Jalan Dato Onn.

Siti Melorinda Khuzaina Sakdudin is one of its designated custodians to ensure its safekeeping.

"The RM1 million tunnel comprises early Malaysian banknote denominations and series including the latest (issued in 2012) which forms part of the greater Children Gallery," Siti Melorinda explained to Malay Mail in an interview recently.

As BNM's Children's Galle...