brickstamp

brick +‎ stamp

brickstamp (plural brickstamps)

1. A stamp used to mark a building-brick with a logo.
   • 2018, Maryl B. Gensheimer, Decoration and Display in Rome's Imperial Thermae (page 15)

     Planning may have begun at Caracalla's accession in 211 c.e., as suggested by the earliest brickstamps from the main bathing block, which date to February 211 and February 212.

• brick stamp