Looks like the Baltimore assembly plant VIN, it is hard to read the 1st few numbers / letters of the partial VIN
http://www.5speeds.com/muncie2.htm
P stands for Muncie Plant
Month Code Chart
January Letter: A May Letter: E September Letter: P
February Letter: B June Letter: H October Letter: R
March Letter: C July Letter: K November Letter: S
April Letter: D August Letter: M December Letter: T
Letter: A M20 Ratio
Letter: B M21 Ratio
Letter: C M22 Ratio
it looks to be a 69 Model year M22 trans built October 10th