Are you asking what year the Hermès y-engraving was produced? The production date of this bag is 1969.
According to the brand’s official website, Hermès has an inscription representing the craftsman’s information, just like the signature of calligraphy and painting. Starting in 1945, Hermès began to use a "one-letter steel seal" to represent the year of the bag. It consists of 26 English letters ordered in sequence and distinguished by different symbols. y refers to exactly the year 1969.
The meanings of other letters and dates are as follows:
1. Hermès: T: 1964.
2. U: 1965.
3. V: 1966.