The actual meaning of this incision is unknown; it could be the Tau/Tav/Taw letter of the Paleo-Hebrew alphabet, a figurative representation of an "X", or or some other schematic figure.

Measurements:

• Incision length:  1 1/4" (32 mm)
• Incision width:  1 1/8" (28 mm)
• Maximum jar-fragment diagonal:  4" (101 mm)
• Handle-loop opening:  1 3/8 x 7/8" (35 x 23 mm)
• Jar-body thickness:  1/8-1/4" (4-6 mm)