COLONIAL STAIRSTEPS (AKA) by Bartlett-Collins Glass Company (Sapulpa-OK, Company Operated: 1915-1980), Uncertain Date of Introduction
NOTE: Sid Lethbridge - Barlett Collins was a maker of the pattern, but it may have been made earlier by another entity.
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Shape:
Contributor:

Shape: Cake Stands
Contributor: Winfred Huff (1,3), Myrna Rose Stewart (2,4)

Shape: Trademarks, Markings, Labels
Contributor: Sid Lethbridge - Maker mark

Shape: Vases, Swung only
Contributor: Bobby D Bunch

Shape: Vases, Swung only
Contributor: Dawn Parks Green - 14H

Shape: Comport/Compotes
Contributor: Andy Eckroth - 7.25H, 7.25D

Shape: Comport/Compotes
Contributor: Rick Becton

Shape: Research Update
Contributor: Sid Lethbridge

Shape: Standards (Foot & Stem)
Contributor: Tracy Staudt

Shape: Comport/Compotes
Contributor: Tracy Noonan Staudt

Shape: Sugars
Contributor: Susie Sheppard

Shape: Pitcher
Contributor: Sid Lethbridge

Shape: Butter, Cheese, & Honey Dishes
Contributor: Haileta Willing

Shape: Finials
Contributor: Haileta Willing

Shape: Toothpick/Match Holders
Contributor: John Ragsdale