Green Railroad Marker or Class Lamp Glass Lens 4" Convex Optical Kopp 1935

Description

ITEM:  Offering a GREEN 4″ glass lens – convex optical for railroad marker or class lamps, the backside mark shows made by manufacturer KOPP GLASS believe circa (1935).  No doubt this was for older style of lamp.
CONDITION:
Photo show this lens is in very good used condition.  A nice item for a collector of RR lamps parts…
Note:  I can provide combined shipping on items purchased on the same day.   Therefore, DO NOT MAKE PAYMENT ON MULTIPLE ITEMS you have won on the same day, until you have received a COMBINED SHIPPING INVOICE.