[laytonj1]

Serial number is 1772XX

32 Hand Ejector, 5th Change.
SN's ran from 102501 in 1910 to 263000 in 1917.

Serial number 4941XX

SN's ran from 295000 in 1962 to 786544 in 1969.

Serial number K5838XX

1964.
SN's ran from K555000 to K605877 that year.
Factory finish for model 15's was blue or nickel. The nickel would be high polish.

Jim