Not mine, no relation, etc.
https://www.ebay.com/itm/406415231251

My notes say
BRPE11 (BRPEB6 base) - 6, 7, or 8 level, 7/8" or 1" width, 28vdc 1a magnets
Which indicates a 143056 punch block

More BRPE info at
https://www.navy-radio.com/tty/brpe.htm

Cheers,
Nick England K4NYW
Chapel Hill NC
www.navy-radio.com