Police have started investigations into the sale of medals, car stickers, and decals bearing the national coat of arms (Jata Negara) and other honorific titles issued by state rulers.

Following the outcry over a book banned for alleged misrepresentation of the Jata Negara, checks by Malaysiakini showed that there is a widespread sale of items bearing the national coat of arms on online shopping platforms.

The items include badges and car stickers bearing the Jata Negara, from as low as RM14 per piece. A metal badge goes for...