1929 Aristocrat

The model number, N-number and serial number is somewhat confusing for this aircraft.
The data plate gives...

Model 102F NC278H serial number 22

The online FAA data gives...

Model 102A NC278H serial number 20

The Aerofiles website gives...

Model 102A NC278H serial number 20

Model 102E NC283H serial number 22

And the display board in front or the aircraft gives...

serial number 20

Merced 2004

Western Antique Aeroplane and Automobile Museum, Hood River, OR, June 2018