Preliminary identification

International Union of Operating Engineers Local 49 Dues Buttons & Watch Fob

Photo reference

2 uploaded photos

Overview

A vintage labor union archive grouping consisting of four quarterly dues pinback buttons from 1977 alongside a cast brass union fob or key tag. The pieces originate from Local 49 of the International Union of Operating Engineers, covering Minnesota and North Dakota.

Story

In 1977, heavy machinery operators in Minnesota and North Dakota wore these celloid buttons on their caps or jackets as proof of paid quarterly union dues. The accompanying brass fob stamped with 'Safety First' and a local phone number served as a proud everyday pocket piece for skilled tradesmen.

Maker / Origin

The International Union of Operating Engineers (IUOE) was founded in 1896, representing the heavy equipment operators and mechanics who built America's modern infrastructure. Local 49 became one of the region's largest labor locals, driving major highway, bridge, and building construction across the Upper Midwest.

Condition & Value

The four celluloid buttons are in remarkably well-preserved condition with crisp colors, minimal surface oxidation, and clear lettering. The brass fob shows authentic age patina with minor surface verdigris around the loop rim, consistent with light handling. Good preservation overall enhances collective appeal.

Full Research

See what it's actually worth.

Sold comps, value drivers, and venue guidance pulled from recent auction results.

Your first full report is on us.

See sold comps, value drivers, and where to sell. One complimentary report, no card required.

Market Analysis

Comparable demand stays strongest where maker, originality, and venue confidence line up. Broader examples still trade, but the range tightens quickly when provenance, condition, or selling lane fit is missing.

Value Drivers

  • Strong maker attribution with credible period details
  • Better-than-average condition for the category
  • Broader demand rises when presentation and finish feel intact

Concerns

  • Decorative-only demand limits the ceiling
  • Surface wear or missing provenance can compress the range fast
  • Regional sale lanes often underperform specialist venues

Best Venue

Specialty auction or a focused dealer with buyers already in this lane.

Comparable Sales

5 comps
Regional auction· Jun 2024
$1,280

Signed example with light edge wear and original frame.

Dealer archive· Mar 2024
$1,450

Comparable format with stronger provenance and cleaner surface.

Marketplace sale· Jan 2024
$980

Smaller related piece with visible craquelure and trimmed margins.

Estate platform· Oct 2023
$1,150

Period match with softer condition and weaker subject matter.

Auction result· Aug 2023
$1,375

Close market lane comp with similar material and presentation.