Yes the fascination goes back to the 19th century. Shapard Taylor first documented #coalplates in 1860. Lily Goddard did coalhole rubbings in the 1970. @historyofstokey.bsky.social also a fan.

Burt & Potts, G Howlett, Chas Humm, and Charles’s Safety Plate of 1840 #Pimlico #London #Coalplates

Circular coalplate with design including an eight-pointed star from a manufacturer in Earl Court Road, London.

Circular manhole cover saying Parks and Recreation, City of New York.

Circular manhole cover with beautiful First Nations artwork saying Seattle City Light.

Circular manhole cover with design incorporating Korean or Japanese lettering.

Do try #IronworkThursday - #coalplates (aka #opercula) and #manholecovers are very popular there!