U.S. Energy Sector Proof & Progress Proof Stock Certificate Collection

Lot of 7 items, ca.1970 - 1990, featuring CMS Energy Corporation, a Michigan-based energy company involved in electric and natural gas utility operations and independent power production, specimen with red border; Allegheny Energy, Inc., a regional utility company serving parts of Pennsylvania, Maryland, West Virginia, and Virginia, progress proof with no colored border; Duke Energy Corporation, one of the largest electric power holding companies in the U.S., serving customers across the Southeast and Midwest, proof with teal border; Columbia Energy Group, a natural gas transmission and utility services provider later acquired by NiSource, progress proof with no colored border; Ocean Energy, Inc., an independent oil and gas exploration company later acquired by Devon Energy, proof with light blue border; Sempra Energy, a California-based energy infrastructure company and parent to utilities such as San Diego Gas & Electric, specimen with dark blue border; and PECO Energy

Estimation:€116.51

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