[78-L] Approximating 78s age by physical characteristics

[Ryan Wolfe]

The last single sided black label Victor was issued  in 1913.
Summer of 1923 saw the last of the single sided red labels.

>From: David London <jusmee123 at gmail.com>

>>On 04/03/13 03:51, Michael Biel wrote:  >>Victor Red Seals were mostly single-sided until 1923, but few pop  >>records were single sided after 1911 or 12.  >>