Cutty Sark model plaque

Plaque for the model of Cutty Sark as tea clipper 1869. There are seven modern screws with the plaque. Question if they need to be kept as I am unsure how they relate to the plaque/ship model unless there are attachments on the base of the model?

Object Details

ID: ZBA7812.1
Type: Plaque
Display location: Not on display
Credit: National Maritime Museum, Greenwich, London, Cutty Sark Collection
Measurements: Overall: 22 mm x 145 mm x 88 mm
Parts: Cutty Sark(1869); Merchant vessel; Clipper; Tea (Full hull model; Rigged model)