I am NOT a philatelic expert. Use the pictures to grade the stamps yourself as to centering, color, perfs etc.
If you want more pics-- ASK. If you have a question ASK don't assume or guess-- I will respond.
Here's the deal-- most likely these are reproductions as the early Bergedorf issues were heavily counterfeited. If they are this is a very nice place holder at a reasonable price. If they are not then you have the bargain of a lifetime. I do not have the expertise to authenticate. If you buy these you understand this.