| Added by |
 Aidan Work
|
| General Description | Penang 1990 10 Ringgit postal order. 23rd. of October 1990. Poundage - 20 Sen. Issued at Bangunan Mara (Mara Building) (Penang). Cashed at Bangunan Mara on the 26th. of July 1991. |
| Front Description | 'POS' logo at top left. Handstamps at both centre & bottom. |
| Back Description | Regulations in Bahasa Melayu at top. Purple handstamp below the dotted line. A cancelled Penang 20 Sen stamp cancelled with a Bangunan Mara datestamp at bottom. |
| Catalog prices | No catalog prices set yet |
