Yemen 1/40 Riyal AH1373 (1954)
Coin Details
Issue Summary
An aluminum coin appears to have been assigned an RB (Red-Brown) color designation, which is inconsistent with the expected surface characteristics of aluminum coinage.
Expected vs. Actual
Attribution
Impact
May result in misleading classification and reduced confidence in attribute accuracy.
Notes
RD/RB/BN designations are traditionally associated with copper-based coinage.
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