I have a 1427 Penncraft, the manufacturers tag under the seat has the model number along with a second number, 1959, this may very well be the year this model was sold by JC Penney
1000
1427
1427, 2854, 4281, 5708, 7135, 8562, 9989, 11416, 12843, 14270, 15697, . . .
1427
886.6967
MCDXXVII
5808
1427 rounds to:0 to the nearest ten thousand1000 to the nearest thousand1400 to the nearest hundred1430 to the nearest ten
1,400
1400.
1427
today is april 27th, 1427