The Jackie 1961 features a leather body, a flat leather shoulder strap, a detachable leather strap extender, a front strap with a piston-lock closure, and an interior slip pocket. Blue. Serial Number: 637091 493075·. Inclusions: dust bag, shoulder strap. Condition: EXCELLENT. This previously owned item is in near-perfect condition with no signs of damage or use. Declared Damages: Front Feature(s) Minor Loose Stitching. Please refer to the photos on this product page for a detailed view of the item, including any damages declared.