| Added by |
 Aidan Work
|
| General Description | Guyana 1989 4 Dollars postal order. 30th. of March 1989. Commission - 50 Cents on 8 Cents. Issued at the G.P.O.,Georgetown. |
| Front Description | Guyanese Coat-of-Arms at left. Printer's name just outside the border. |
| Back Description | Regulations. |
| Catalog prices | No catalog prices set yet |
