If early telegraph glass is what you're after and you don't want to bust your bank, here is a nice looker early piece for you.CD 133 in a light blue aqua, this is a 45 CLIFF St, there are no dome numbers and no patent dates on rear dome. Very clean piece of glass for being over 135 years old. No chips or cracks but has a few tiny pinpricks. Colour is accurate. $9.36 + $5.70 shipping.