Model OM-28 Serial Numbers for 1931
(Excluding Interpolated and pre 1970 entries)

Serial #ModelYear Built
45621OM-281931
45908OM-281931
45909OM-281931
45910OM-281931
45911OM-281931
45912OM-281931
45913OM-281931
45914OM-281931
45915OM-281931
45916OM-281931
45917OM-281931
45918OM-281931
45919OM-281931
45920OM-281931
45921OM-281931
45922OM-281931
45923OM-281931
45924OM-281931
45925OM-281931
45926OM-281931
45927OM-281931
45928OM-281931
45929OM-281931
45930OM-281931
45931OM-281931
46414OM-281931
46415OM-281931
46416OM-281931
46417OM-281931
46418OM-281931
46419OM-281931
46420OM-281931
46421OM-281931
46422OM-281931
46423OM-281931
46424OM-281931
46425OM-281931
46426OM-281931
46427OM-281931
46428OM-281931
46429OM-281931
46430OM-281931
46431OM-281931
46432OM-281931
46433OM-281931
46434OM-281931
46435OM-281931
46436OM-281931
46437OM-281931
46710OM-281931
46711OM-281931
46712OM-281931
46713OM-281931
46714OM-281931
46715OM-281931
46716OM-281931
46717OM-281931
47408OM-281931
47409OM-281931
48807OM-281931