Postage Stamps No. 72 & 73 Overprinted " O S" in Black 1888
Now showing: New South Wales - Official stamps - 1888 - Postage Stamps No. 72 & 73 Overprinted " O S" in Black - 2 stamps.
Now showing: New South Wales - Official stamps - 1888 - Postage Stamps No. 72 & 73 Overprinted " O S" in Black - 2 stamps.
![[Postage Stamps No. 72 & 73 Overprinted " O S" in Black, type G]](https://www.stampworld.com/media/catalogue/New-South-Wales/Official-stamps/G-s.jpg)
