Hong Kong - 1891/1898 Defin Issue QV (surch) - 20c on 30c and $1 on 96c - Used
On Offer Here - 1885 (?) Definitive Issues "QV" with Surcharge - Two used Singles as follows:-
1891 "20c" surcharge overprinted on 30c Green (SG #45) with Singapore circular date cancellation and "H&S BC" Perfin
1898 "$1" surcharge overprinted on 96c Grey-Black (SG #53a) with Shanghai circular date cancellation and "H&S BC" Perfin
This Usage not mentioned in Catalogues - Extremely Rare
Stock Card is Excluded
Stanley Gibbons Stamp Catalogue "Commonwealth & British Empire Stamps 1840-1970" - 114th Edition 2012 Catalogue Value £160 (SG#45) and £3,750 (SG #53a)