The Hagia Sophia c. 1908 in Survey Images and Images from the Ot

1) Royal Prussian Survey Image Institute, Berlin, Schinkel-Platz 6. Portfolio with 34 photogrammetric photographs (Meydenbauer) on thin silver bromide paper, 40 x 40 cm format, all stamped on the reverse, some showing heavy signs of wear, as these images were used extensively. A few exterior views of Justinian’s Byzantine construction, completed in 537, are available, but the focus is on the interior views, presumably to document its original condition. According to the German Wikipedia: "It is one of the boldest constructions by human hands and one of the most significant buildings of the last 1,500 years." (4/–) – 2) 9 albumen photographs by Sébah of Constantinople: 7 x 20 x 25 cm on 30 x 37 cm cardboard, and 2 x 26 x 34 cm on 32 x 40 cm cardboard. (3/–) – 3) 19 albumen photographs of Constantinople, without photographer's credit, almost all 26 x 34 cm on 32 x 40 cm cardboard. (3/–) – And: 4) Cairo c. 1894: 29 prints 8 x 14 cm and 10 prints 9 x 11 cm, each with the caption "ceremonie de Kiswah" in mirror writing. (3+/–)

布雷克拍品等级是为了方便竞买人判断拍卖品的成色而设置的。布雷克等级用1到6级来标注外观和功能的成色，(从非常好到非常差)。 在目录图册里用括号里的2个数字来表示，前一个数字表示外观成色的级别，后一个数字表示功能成色的级别。如(3/2)表示外观成色是3(满意的)，功能成色2(好)。 成色 定义参照下列标准： 1 - 非常好 (未使用过，没有使用痕迹) 2 - 好 (新，极少的使用痕迹) 3 - 满意的 (普通的使用痕迹) 4 - 及格的 (明显的使用痕迹，某个非主要部件是后配的) 5 - 有缺陷的 (极明显的使用痕迹, 某个主要部件是后配的，功能上有缺陷，需要修理) 6 - 非常差 (严重破损, 缺少重要部件)