Harlem Coal Chute Cover
The Adam Happel foundry was located at 1801 First Ave from 1897 until 1943, not too far from this installed cover near Mt. Morris Park.
Another prototypical coal cover; star, studs and the some Iron Advertising.
Coal Hole Cover
This cover is on West 121st St. west of Mt Morris Park. Examples of this design and others by Happel have been spotted from the Bronx to Brooklyn Hieghts.