Namibia 1991 Mint Stamp Block Willemite ZnSiO, R5 x4 | Mines & Minerals Series | Rare

A superb mint condition block of four R5 stamps from Namibias 1st Definitive Series: Mines and Minerals, issued on 2 January 1991. This block showcases the striking Willemite mineral (ZnSiO), illustrated by J. van Niekerk.

🪨 Issue Details

• Country: Namibia

• Date Issued: 1991-01-02

• Series: 1st Definitive Mines and Minerals

• Design: Willemite mineral cluster

• Denomination: R5 × 4 stamps

• Condition: Unmounted Mint (Post Office Fresh)

• Special Feature: Full printers color control strip (Cyan 64, Yellow 65, Magenta 66, Black 67)

• Top Margin Tabs: "PT Namibia" imprint, face values 100.00 and 125.00 noted

Highly collectible due to:

• Scarce high-value denomination

• Presence of printers color guide strip

• Unused condition with original gum

• Bold, vivid design highlighting Namibias geological heritage

🧭 From the first official Namibian definitive issue post-independence, these blocks are becoming harder to find in mint condition.

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