ED SCHEDLER COUNTERSTAMP INFORMATION SOUGHT

I am searching for information about a rare counterstamp on a coin of the second Mexican Empire. It was auctioned in Mexico City by Briggs and Bustos Auction XII (04 April 2025), lot # 345 (1).

Coin's characteristics:

• Denomination: $1 Peso
• Obverse: Bust of Maximilian Emperor of Mexico (1864-1867) with counterstamp "ED SCHEDLER" and "E S".
• Reverse: Crowned arms of the Mexican Empire with counterstamp "S" below eagle.
• Year: 1867
• Mint: Mexico City (M°)
• Metal: Silver 90.27%
• Host coin: KM # 388.1
• Graded: PCGS Damage AG-Detail

I couldn't find any reference of this counterstamped coin in:

1. American and Canadian Countermarked Coins by Gregory G. Brunk. World Exonumia Press. 1987.
2. Merchant Countermarks on World Coins by Gregory G. Brunk. World Exonumia Press. 1987.
3. Standard Catalog of United States Tokens 1700-1900 3rd Edition by Russell Rulau. Krause Publications. 1999.

Who was Ed Schedler?
Well, I found information about a 40 years old French jeweler named Edward Shedler (2). He lived in the Fifth Ward of New York City on 15 August 1850 with his family:

1. Charlotte A. (34 years old) from France
2. Pauline E. (4 years old) from France
3. Caroline S. (2 years old) from New York
4. Matilda (1 year old) from New York
5. Dorothea Melzie (67 years old) from France

Because the coin shows a lot of wear (graded as About Good), it could be a coin carried daily by Ed Schedler himself.

I would be grateful for any help to identify who Ed Schedler was.

Notes: (1) https://bid.bbauctions.com.mx/lots/view/5-1PR7L5/km-3881-ed-schedler-es-s-peso-1867-mxico-mo-maximiliano-pcgs-ag-damage
(2) Maybe, Eduard Schadler (or Schädler) was born in Bas-Rhin in Alsace, France.

Thank you so much!

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