Woodwind Co? French? Steelite Ebonite R2 Alto Saxophone Mouthpiece MPC479

This mouthpiece is SOLD, but to find mouthpieces in stock, please go to the following link: https://www.getasax.com/mouthpieces/

Vintage classical mouthpiece maybe by Lelandais? Tip opening 0.053", no baffle, straight sidewalls, small chamber. Plays dark and round.