ISSUE of 1888

"OS" in Black on 1888 Queen Victoria 1p Violet on Cream postal card.


"N.S.W." in three concentric ovals.

With round “O” and slanted “S” in “OS”.


"N.S.W." on front and “G.P.O.” on verso,  both in three concentric ovals.

Mint card.

With oval “O” and perfectly formed “S” in “OS”.