UNITED ARAB EMIRATES. Sharjah. Silvered Uniface 5 Riyals Reverse Trial, AH 1389 (1970) (1970). NGC PROOF-61 Cameo. cf. KM-4. Napoleon. This trial strike exhibits frosty devices and reflective fields on the design side. The non-design side is stamped "MET. / GORI & ZUCCHI".