Total Low Estimate (sum of high estimates of Low lots): £173500
Total Mid Estimate: £628000
Total High Estimate: £365000
The top lot by High estimate is lot 54, Robert Mapplethorpe, X, Y, Z Portfolios, 1977/1978, at £60000-80000.
Here is the list of the photographers who are represented by three or more lots in the sale (with the number of lots in parentheses):
Nobuyoshi Araki (3)
The complete lot by lot catalog can be found here.