Listing of Known RN-G1b's

G1b – imprint on back of instrument, upside-down

Checks
State and City Bank, User Color Printer Unused/Used
MO, Saint LouisMechanics NB, LaGrange Iron Co.gray tintGDBused
MO, Saint LouisSan Antonio NB, Missouri Pacific Railway Co.Brown, tanRPSused
NY, Brooklyn (E.D.)First NB, Theo F. JacksonBlack, Or, or tintSBlused
NY, New YorkChemical NB, Atwater, Asten & Co.gray, gray tintDoBused
NY, New YorkChemical NB, Atwater, Asten & Co.olive, olive tintDoBused
NY, Niagara FallsB of NiagarablueGieused
OH, CincinnatiUnion NB, Amazon Ins. Co.Black, Red, GreenKreused
Drafts
State and City Bank, Secondary Bank Color Printer Unused/Used
CO, TrinidadBank of Southern Colorado, ms secondaryGreen, green tint used

Note: Printer colors are of the lettering and/or vignette when capitalized and of the paper when in lower case.

Printer abbreviations are from the Security Printers Guide, available from the American Society of Check Collectors.

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