Just wanted some help on authentication prior to buying. Seller believes it was made by Peter Kupper due to the black velvet band on the inside. Celluloid sweat protector is also missing. Any thoughts on authenticity?
Just wanted some help on authentication prior to buying. Seller believes it was made by Peter Kupper due to the black velvet band on the inside. Celluloid sweat protector is also missing. Any thoughts on authenticity?
It is an authentic cap and could have been made by Küppers although other makers used this method, too. Without the seatshield it is hard to tell unless there is a stamp somewhere on the back of the sweatband which has unfortunately got loose (which is so often the case with the Küppers Stirndruckfrei-method).
Thanks for the information
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