By Cecilia Chow/ EdgeProp Singapore|January 14, 2020 2:03 AM SGT SINGAPORE (EDGEPROP) - Over the weekend of Jan 11-12, Koh Brothers sold 10 out of a total of 69 units in its luxury, freehold project Van Holland. The condominium is a redevelopment of the former Toho Mansion and is located just across the road from Holland Village. The crowd on the launch weekend of Van Holland on Jan 11-12 (Photo:...