The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Royal United Service Museum. King Charles I. National Portrait Gallery. Daniel Mytens
King Charles I. Daniel Mytens. National Portrait Gallery. H. M. S. O. The Campfield Press
National Portrait Gallery. King Charles II. John Michael Wright. H. M. Stationery. Norman Brothers
National Portrait Gallery. King Charles II. John Michael Wright. Norman Brothers
National Portrait Gallery. King Charles II. John Michael Wright. Norman
National Portrait Gallery. King Charles I. B. Matthews Ltd. Sir Anthony Van Dyck
National Portrait Gallery. King Charles II. B. Matthews. J. Michell Wright. 1935
London. National Portrait Gallery. King Charles II. Eyre and Spottiswoode Ltd. Woodbury Series No. 6237