Would be circumcised ( I like also uncut ), between 7-8 inches & good girthness. Just an ideal.
For example, aesthetically pleasant cocks are whose belong to : Jon Dough, Mark Ashley, Joel Lawrence, Scott Lyons, Xander Corvus, Rocco Siffredi, Scott Nails, Mike Adriano, Nacho Vidal ( looks like cut ), Julian ,Chris Strokes....Although I must admit the fascination for the beauty of watching huge cocks like LEX STEELE, MANDINGO, JAKE STEED or RICHARD MANN ones.
In other wise, I like too uncut cocks like MANUEL FERRARA, MICK BLUE, STEVE HOLMES, VOODOO, RAMON NOMAR or DANNY D ones.