San Francisco should be a C4 3mm height both letters & date if so this extends the useage of this type beyond 1939. Handbook does show RC without puncuation in 1942 only!
Back to the San Frisco. Warehouse thought it was a C-4. I am new at this so forgive me if I don't have as much info as you need. The 42 date is clearly 2.5 mm. and the letters are also 2.5mm. if you get past the bleed. Is there a date range listed for it?
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Posted 10/21/2011 09:42 am
