Now showing: Guyana - Postage stamps - 1981 - Overprinted "ESSEQUIBO IS OURS" - 1 stamps.
1. July WM: 3 Perforation: 14
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![[Overprinted "ESSEQUIBO IS OURS", type KS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guyana/Postage-stamps/KS-s.jpg)
