1/8 inch black silk braid source

[Co D-1st FL]

I recently purchased a used officers overcoat and I would like to find a source for the 1/8" black braided silk called for in the '61 Regs to indicate the rank on the sleeves. Does anyone know where I can purchase this?

[Co D-1st FL]

Re: 1/8 inch black silk braid source

Still looking for a source or a close alternative. Any help will be greatly appreciated.