Vaishnava Samhita. Meera Charitam II. Vol II Book VI Chp 13 Shloka 10

रत्नमालां ददौ तस्यै म्लेच्छराजः प्रसन्नधीः  |
अजानन्त्येव जग्राह तां मालां राजनन्दिनी  ||

He became very much pleased and gifted her a necklace of pearls. Queen Meera accepted that not knowing who he was.