100 years HongKong Observatory (Hong Kong 1983)

23 November (Hong Kong ) within release 100 years HongKong Observatory goes into circulation Stamp 100 years HongKong Observatory face value 5 Hong Kong dollar

Stamp 100 years HongKong Observatory in catalogues
Michel:	Mi:HK 422

Stamp is square format.

Also in the issue 100 years HongKong Observatory:

• Stamp - 100 years HongKong Observatory face value 40;
• Stamp - 100 years HongKong Observatory face value 1;
• Stamp - 100 years HongKong Observatory face value 1.30;
• Stamp - 100 years HongKong Observatory face value 5;