+ Country   : Malaysia
+ Class     : Stamp & Philatey
+ Prefix    : MYOPS
+ Σ Group   : 120
+ Σ Stamp   : 287
+ Σ Listing : Postal Headquarters Postcard (PHQ), Postcard Prepaid (With Indicia), Postcard Without Value Indicator, Aerogramme, Envelope & Prepaid Envelope, Envelope Registered, Track-On (Die-cut), Reply Coupon, Pos Express Envelope

Cards are grouped into three categories:

• Postal Headquarters Postcard (PHQ)
• Postcard with Indicia
• Postcard without Indicia