listings

listingspeople

POSH MARKETS

All

Women
Men
Kids
Home
Electronics
Pets
Beauty & Wellness
Brands
Parties
Posh Shows

How it works
Sell on Poshmark

categories

All Categories
Women
Men
Kids
Home
Pets
Electronics

brands

All Brands
Hasbro
Mainframe

size

Select a category for specific sizes.

color

All Colors

price

All Prices
Under $25
$25 - $50
$50 - $100
$100 - $250
$250 - $500
Over $500

Custom

To

shipping

All Items
Free
Discounted + Free

condition

All Conditions
New With Tags

availability

All Items
Available Items
Available + Dropping Soon Items
Dropping Soon Items
Sold Items

Mainframe

Sort By:

Just Shared

Just Shared
Just In
Price High to Low
Price Low to High
Recently Price Dropped
Likes
Relevance

VTG Sears Mainframe Mesh Net Swim Coverup Muscle Tank Hoodie White - M‎

VTG Sears Mainframe Mesh Net Swim Coverup Muscle Tank Hoodie White - M‎

$30

Size: M Mainframe

amandaplohr

amandaplohr

Vintage Mainframe Wool Blend Rust Cable Knit Cropped Sweater Women’s Large

Vintage Mainframe Wool Blend Rust Cable Knit Cropped Sweater Women’s Large

$38

Size: L Mainframe

jkimtreasures

jkimtreasures

4

Computer Organization and the System/370 by Harry Katzan 1971 Hardcover w/ DJ

Computer Organization and the System/370 by Harry Katzan 1971 Hardcover w/ DJ

$15

Size: OS Harry Katzan Jr.

bfara83

bfara83

GI Joe Mainframe ARAH Computer Specialist Complete w Accessories and File Card

GI Joe Mainframe ARAH Computer Specialist Complete w Accessories and File Card

$35

Size: one size Hasbro

atypic_treasure

atypic_treasure

2

Vintage 1987 IBM System 370 Job Control Language by Gary DeWard Brown Paperback

Vintage 1987 IBM System 370 Job Control Language by Gary DeWard Brown Paperback

$10

Size: OS Na

jayefron

jayefron

Mainframe Size 11 Multi-Colored Floral Denim Skirt

Mainframe Size 11 Multi-Colored Floral Denim Skirt

$15

Size: 11 (Juniors) Mainframe

meadowsbargains

meadowsbargains

1

Mainframe Floral Glitter Strappy Heels #5445

Mainframe Floral Glitter Strappy Heels #5445

$23

Size: 11 Mainframe

upthriftshop

upthriftshop

6

No listings found.

In All Market. Click to see all listings.

Share this Style Tag to your Networks

Mainframe

PROTIP:

Fashion is better when shared, so get to it!

Add A Message

Shop Categories
Women
Men
Kids
Home
Electronics
Pets
Handbags
Shoes
Jewelry & Accessories
Makeup
Dresses

Popular Brands
Nike
Michael Kors
Louis Vuitton
lululemon athletica
PINK Victoria's Secret
Coach
Chanel
See All Brands »

Company
About
Our Community
Blog
FAQs
Live Shopping
Sell on Poshmark
How it works
Gift Cards
Careers
Press
Accessibility

Buy and Sell on App

Btn-appstore@2x

Btn-playstore@2x

Connect With Us

shop in

United States

Canada
United States

© 2026 Poshmark, Inc. Privacy Terms Contact Your Opt Out Rights