The ornamental design for a recurve long bow, as shown and described.
FIG. 1 is a perspective view of a recurve long bow illustrating my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is another perspective view thereof showing the recurve long bow with the bowstring drawn.
The broken line showing of an arrow in FIG. 8 is for the purpose of illustrating portions of the unstrung recurve long bow and forms no part of the claimed design.