ORIGINAL: ArmChairGeneral
edoubleaz, I am pretty sure these were Tamiya casting numbers, any other Sherman owners that can verify this?
Those numbers were found on real life Shermans. I also asked the same question some time back.
[link]http://www.rcuniverse.com/forum/m_5697431/anchors_5697431/mpage_1/key_/anchor/tm.htm#5697431[/link]