The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Newcastle upon Tyne. Black Gate and Castle Keep. The Society of Antiquaries of Newcastle upon Tyne
Black Gate and Castle. Newcastle on Tyne. Collo Colour. Valentines
221603. Black Gate and Castle. Newcastle on Tyne. Valentines. RP
5396. Castle and Black Gate. Newcastle on Tyne. Horse. 1906
Old Castle and Black Gate. Newcastle on Tyne. Hartmann. 1904
Newcastle on Tyne. Castle and Black Gate. 67434. Photochrom
Newcastle on Tyne. Black Gate and Castle. The Busy Tyneside. Raphael Tuck and Sons. Oilette. Postcard 7838. Jotter
The Black Gate. The Castle of Newcastle Upon Tyne
