Vintage Block Meerschaum Smoking Pipe- Tobacco For Sale

Here is a vintage Block Meerschaum pipe with case. The case is worn with exterior flaking. The the brass button and case opens. The pipe appears to have very old cracks in bowl but the pipe is solid overall. Only markings seen is the number 51 on the mouth piece. Measures approximately 8”. I don’t know much pipes so please review photos and make determination of condition. Ask any questions. Selling as is