Most of them are in hieroglyphic Egyptian characters, but about 40 inscriptions are in sort of proto-Sinaitic alphabetic script from the 15th century B.C. However, this evidence is "disputable", because there is no way to date when these writings were made.
Pia kwenye lango la migodi ya shaba ya Sinai kuna mamia ya maandishi. Mengi kati ya hayo yameandikwa kwa herufi za kale za Kimisri, lakini karibu maandishi 40 yameandikwa kwa aina ya mwandiko wa herufi zilizotangulia Kisinai za karne ya 15 KK.