Vintage Buck 501 Esquire Lockback Pocket Knife USA Script Stamp Pre-Date Code For Sale

The Buck 501 was introduced in 1975, and Buck did not begin using its familiar blade date-code symbols until 1986, placing this example in the earlier pre-date-code production period.

Features a single drop-point blade, lockback construction, dark brown handle scales, and metal bolsters. From the ruler photo, the knife measures approximately 6.5 inches open and about 3.75 inches closed, which corresponds with published dimensions for the vintage 501.

Knife only; no sheath, box, or paperwork included.