Popular American R&B singer (1932–1972) who recorded such hits as ‘Have Mercy Baby’ and ‘I Never Knew’ before succumbing to alcohol-induced heart, liver, and kidney disease at the age of 39. Vintage ballpoint signature and inscription, “To Donald, Thanks!, Clyde McPhatter,” on an off-white 2.5 x 4.25 card. In very good condition, with a moderate uniform shade of toning, mild scattered surface creases, one lightly affecting the inscription, and a few light areas of toning and damp staining. RRAuction COA.