Pod 3 set buttons 15mm

Measuring approximately 15mm 3 button set. about my buttons: Each button is hand made by me using a torch and different colored rods of glass. There is no painting involved. The shank is imbedded into the glass while it is molten creating a permanent connection. please note: image of the shank is an example of the process and not the actual button listed. Buttons are no longer signed on the back.