Print  Specifics: The Royal Observatories in Potsdam, Germany. Top: Interior of the cupola of the Astrophysical Institute, Bottom: Interior of the cupola with the photographic refractor. Type of print: Phototype (Lichtdruck) - Original German antique print with very fine detail. Year of printing: 1894 Publisher: Wilhelm Ernst & Sohn, Berlin Condition: 2 (1. Excellent - 2. Very good - 3. Good - 4. Fair). Brownish areas/spots in blank margins. Dimensions: 11 x 17 inches (28 x 43 cm), including blank borders around the image. Paper weight: 2 (Thick - Heavier - Medium heavy - Slightly heavier - Thin). Reverse side: Blank Notes: 1. Green color around the print in the photo is a contrasting background on which the print was photographed. 2. Print detail is sharper than the photo of the print.   Martin2001 Satisfaction Guaranteed Policy! Any print purchased from me may be returned for any (or no) reason for a full refund including all postage. Internet seller since 1998. Five-star service.