Valmiki Ramayana Sundara Kanda Sarga 11 Shloka 23

कपिः monkey, तदा then, राजतेषु in those made of silver, जाम्बूनदमयेषु च in those made of pure gold, कुम्भेषु in pots, भूरि abundant, पानश्रेष्ठम् best of wines, ददर्श ह saw.

Hanuman saw the best of wines in large quantities kept in silver and pure gold pots.