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Rockford Grade 390 (Model 1) Production Metrics

Grade:

390

Size:

12s

Model:

1

Total Runs:

1

Total Produced:

1,000

Production Era:

c.1911

Earliest Serial:

#856,001

Latest Serial:

#857,000

Rockford Grade 390 (Model 1) Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1911]
[1000]

Rockford Grade 390 (All Models) Production Metrics

Grade:

390

Size:

12s

Model:

1

Total Runs:

2

Total Produced:

2,000

Production Era:

c.1911

Earliest Serial:

#856,001

Latest Serial:

#858,000

Rockford Grade 390 Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1911]
[2000]

Rockford Grade 390 Production Runs

Run Sequence Run Start Run End Quantity Est. Production Year Profile Code
1 856,001 857,000 1,000 1911 12S-M1-7J-HNP-U
2 857,001 858,000 1,000 1911 12S-M2-7J-ONP-U
RUNS

2

 FIRST

856,001

 LAST

858,000

 ESTIMATED PRODUCTION

2,000

 PRODUCTION ERA

c.1911