The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Newark Castle and Free Library. Friths Series. No. 35549
Newark Castle and Free Library. F. Frith. Reigate. No. 35542. 1907
Newcastle. Free Library and Laing Art Gallery. Brown and Rawcliffe. 1910
Liverpool. Free Library and New Technical Museum. Tuck. Town and City Series. 2004. 1904
Newark Castle and Footbridge. Frith. No 24648. 1910
Newark Castle and Footbridge. F. Frith and Co. Ltd. No. 24648. 1906
Newark castle from the River. The Arcadian