Matching M40 NCO shoulderstraps for a Oberfeldwebel in Panzer unit

Textbook, early wool piped black Heer Panzer shoulderstraps in good, worn condition. The straps have period applied NCO rank Tresse for a Feldwebel. These shoulderstraps are virtually impossible to find; here is a textbook early pair in good used condition with loads of character and period added regimental slip ons!