1/4 Riyal / 25 Halālah - Abdullāh

SAMA's shift to copper-nickel for this denomination in 2009 was driven partly by the rising cost of the nickel-clad steel blanks previously used, and partly by pressure to align Saudi coinage more closely with Gulf Cooperation Council standardization efforts that never fully materialized. The GCC monetary union, long anticipated to produce a shared currency by 2010, quietly collapsed as a practical project when the UAE withdrew in 2009 — the same year this coin entered circulation.