Vaishnava Samhita. Shri Vyasadasa Charitam II. Vol II Book VI Chp 3 Shloka 16

कदाचिद्धनिकः कस्चिद्भाग्यवान्  शिष्यसत्तमः 
हेमरत्नमयं वेणुमर्पयामास सादरम्  

Once a very magnanimous and rich bhakta made a beautiful golden flute studded with precious stones and offered that to Lord Krishna with great affection