Been Lookin 4 this one 4 a while

The lower case is the Polonaise Bold.

The capitals are the Caslon 540Swash, fancied up a bit.

Just to save some time and effort, try Mutlu Ornamental for caps R and S. It's a fancied up Caslon 540 Swash, as kk noted.

If ever you wanted proof ... I am a lazy Kat ...