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BALTO Codes - Connecticut
From 1905 through 1909, The Baltimore Enamel & Novelty Company held the
contract to supply first issue Connecticut plates.  During this span, BALTO is known
to have manufactured at least 28 different batches, ultimately producing about
9,500 pairs of passenger plates and a few thousand dealer and operator plates.  
Below is an accounting of all known BALTO codes on first-issue Connecticut
porcelains.  Beginning around plate #8000, the hand-written coding disappeared
and eventually gave way to Baltimore's oval maker's mark.

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Verified numbers produced in this batch:
Passenger Plates #1 - #1867





AUGUST, 1905





MARCH, 1909





AUGUST, 1908





APRIL, 1908





OCTOBER, 1907





SEPTEMBER, 1907





AUGUST, 1907





MAY, 1907





MARCH, 1907





SEPTEMBER, 1906





JUNE, 1906





APRIL, 1906





OCTOBER, 1905





SEPTEMBER, 1905


Verified numbers produced in this batch:
Re-Issue Plate #1667
Replacement Plate #76


Verified numbers produced in this batch:
Re-Issue Plates #191 - #1388


Verified numbers produced in this batch:
Passenger Plates #6780 - #7569
Replacement Plate #5239


Verified numbers produced in this batch:
Passenger Plate #6223 - #6698


Verified numbers produced in this batch:
Passenger Plates #5654 - #6062


Verified numbers produced in this batch:
Passenger plates #4880 - #5021
Replacement Plates #3405, 3901


Verified numbers produced in this batch:
Passenger Plate #4577 - #4871


Verified numbers produced in this batch:
Passenger Plates #4384 - #4575


Verified numbers produced in this batch:
Passenger Plate #3855


Verified numbers produced in this batch:
Replacement Plates #3068, 3288, 3351


Verified numbers produced in this batch:
Passenger Plates #2644 - #2823
Replacement plates #24, #1396


Verified numbers produced in this batch:
Passenger Plates #1905 - #2223


Verified numbers produced in this batch:
Replacement Plates #9, #236





JUNE, 1907





MARCH, 1908


Verified numbers produced in this batch:
Re-Issue Plates #4112 - #5387


Verified numbers produced in this batch:
Re-Issue Plates #3319 - #3435





MAY, 1909


Verified numbers produced in this batch:
Passenger Plates #7852 - #7997





APRIL, 1906


Verified numbers produced in this batch:
Passenger Plates #5221 - #5457





JULY, 1907





MARCH, 1906


Verified numbers produced in this batch:
Passenger Plates #2311 - #2551
Replacement plate #101





JULY, 1908


Verified numbers produced in this batch:
Re-Issue Plates #2460 - #3201





OCTOBER, 1906


Verified numbers produced in this batch:
Passenger Plates #4020 - #4084





JULY, 1906


Verified numbers produced in this batch:
Passenger Plate #3601





DECEMBER, 1907


Verified numbers produced in this batch:
Passenger Plate #7669


Verified numbers produced in this batch:
Passenger Plates #3182 - 3448
Replacement plate #2408





MAY, 1906
"106"





NOVEMBER, 1907


Verified numbers produced in this batch:
Dealer Plates #112D - #175D





AUGUST, 1906


Verified numbers produced in this batch:
Passenger Plate #3753





JUNE, 1908


Verified numbers produced in this batch:
Re-Issue Plates #1772 - #1909
"68"





NOVEMBER, 1906


Verified numbers produced in this batch:
Passenger Plate #4116