The following text is from the original listed building designation:
HARBOUR STREET 1, 5283 (North East Side) BROADSTAIRS No 9 (The Old Curiosity Shop) TR 3967 NE 1/8C 25.9.72. II
2. Dated 1588 but the facade is C18 and there are modern alterations. The front elevation is 3 storeys stuccoed, the 2nd storey being of painted brick. Slate roof, half-hipped at one end. 1 casement. Simple doorcase. The right side elevation has 1 2nd floor sash with glazing bars intact and a 3-light bay through ground and 1st floors. Forming an L-wing to the right of this is a portion which is now of 3 storeys (the 2nd storey C20 and tile-hung). Lower 2 storeys painted brick with old tiled roof. 1 sash with glazing bars intact and 2 casements. Early C19 doorcase with flat hood, reeded architrave and rosettes. The interior has exposed beams, batten panelling and a well reputed to have harboured smuggled goods. There is a sandstone door lintel from Holy Trinity Church, Margate, incorporated in the rear wall. It bears the inscription "God is my Conscience" beneath the Invicta crest held between two scrolls.
Listing NGR: TR3985267924

English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.