Affliate Disclaimer: When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Swipe Previous
Swipe Next
Lionel - Operating Semaphore 159 (6-12727) Items for Sale
First Catalog: Lionel 1989 Toy Fair Edition Catalog
Most Recent Catalog: Lionel 1998 Classic Trains Catalog
Part Number: 6-12727
We have a new model train website, Find My MTH Trains, to help you find MTH Train items.
| eBay Summary - Currency Code: USD | Count | Avg. Price (USD) | Low Price (USD) | High Price (USD) |
| Bid Auctions | 0 | |||
| Buy it Now Auctions | 19 | 23.71 | 5.00 | 50.00 |
Listed below are current active eBay auctions for this Item.
Click on the image or link to see more details about the auction on eBay.
Current eBay Auctions
Title: LIONEL 6-12727 151 SEMAPHORE OPERATING INSTRUCTIONS 71-2727-250 PHOTOCOPY
Currency: USD
Buy It Now Price: $5.00
Item location: Red Lion, US
Seller Rating: 7874/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $5.00
Item location: Red Lion, US
Seller Rating: 7874/100.0%
Click here to see eBay Auction
Back to the top
Title: Vintage 1993 LIONEL train Automatic Operating SEMAPHORE EMPTY box, 6-12727
Currency: USD
Buy It Now Price: $12.55
Item location: Chicago, US
Seller Rating: 11986/99.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $12.55
Item location: Chicago, US
Seller Rating: 11986/99.0%
Click here to see eBay Auction
Back to the top
Title: Lionel Automatic Operating Semaphore 6-12727
Currency: USD
Buy It Now Price: $15.00 or Best Offer
Item location: Vero Beach, US
Seller Rating: 93/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $15.00 or Best Offer
Item location: Vero Beach, US
Seller Rating: 93/100.0%
Click here to see eBay Auction
Back to the top
Title: LIONEL 12727 SEMAPHORE SIGNAL - TESTED - WORKS
Currency: USD
Buy It Now Price: $15.99 or Best Offer
Item location: Middletown, US
Seller Rating: 42045/99.9%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $15.99 or Best Offer
Item location: Middletown, US
Seller Rating: 42045/99.9%
Click here to see eBay Auction
Back to the top
Title: Lionel Automatic Operating Semaphore (6-12727)
Currency: USD
Buy It Now Price: $17.99 or Best Offer
Item location: Carlsbad, US
Seller Rating: 10852/99.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $17.99 or Best Offer
Item location: Carlsbad, US
Seller Rating: 10852/99.0%
Click here to see eBay Auction
Back to the top
Title: Lionel Automatic Operating Semaphone 6-12727
Currency: USD
Buy It Now Price: $18.00
Item location: Allentown, US
Seller Rating: 1647/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $18.00
Item location: Allentown, US
Seller Rating: 1647/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel (6-12727) O/O27 Gauge Automatic Operating Semaphore Signal LN/Box
Currency: USD
Buy It Now Price: $18.99 or Best Offer
Item location: Carlsbad, US
Seller Rating: 10852/99.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $18.99 or Best Offer
Item location: Carlsbad, US
Seller Rating: 10852/99.0%
Click here to see eBay Auction
Back to the top
Title: Lionel 6-12727 Semaphore Automatic Signal - O-Gauge Accessory
Currency: USD
Buy It Now Price: $19.99 or Best Offer
Item location: Wentzville, US
Seller Rating: 1665/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $19.99 or Best Offer
Item location: Wentzville, US
Seller Rating: 1665/100.0%
Click here to see eBay Auction
Back to the top
Title: LIONEL 6-12727 Automatic Operating Semaphore - O Gauge - 1990 - NIB
Currency: USD
Buy It Now Price: $22.99
Item location: Sugar Land, US
Seller Rating: 1250/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $22.99
Item location: Sugar Land, US
Seller Rating: 1250/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel 6-12727 O and O27 Gauge Automatic Operating Semaphore Signal LN/Box
Currency: USD
Buy It Now Price: $23.65
Item location: Flowery Branch, US
Seller Rating: 735763/99.8%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $23.65
Item location: Flowery Branch, US
Seller Rating: 735763/99.8%
Click here to see eBay Auction
Back to the top
Title: Lionel O Automatic Semaphore 6-12727
Currency: USD
Buy It Now Price: $24.00
Item location: Fredericksburg, US
Seller Rating: 546/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $24.00
Item location: Fredericksburg, US
Seller Rating: 546/100.0%
Click here to see eBay Auction
Back to the top
Title: TWO Lionel 6-12727 O GAUGE Semaphore Automatic Signals WORK BUT NEED SOME TLC
Currency: USD
Buy It Now Price: $24.99
Item location: Middletown, US
Seller Rating: 42050/99.9%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $24.99
Item location: Middletown, US
Seller Rating: 42050/99.9%
Click here to see eBay Auction
Back to the top
Title: Vintage LIONEL SEMAPHORE SIGNAL TRACK SIDE ACCESSORY 6-12727! TRAIN O/27 0-27
Currency: USD
Buy It Now Price: $25.00
Item location: Ocala, US
Seller Rating: 398/98.4%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $25.00
Item location: Ocala, US
Seller Rating: 398/98.4%
Click here to see eBay Auction
Back to the top
Title: Lionel Automatic Operating Semaphore #6-12727 - Preowned
Currency: USD
Buy It Now Price: $25.99 or Best Offer
Item location: Lemont, US
Seller Rating: 4583/99.1%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $25.99 or Best Offer
Item location: Lemont, US
Seller Rating: 4583/99.1%
Click here to see eBay Auction
Back to the top
Title: Lionel O No.6-12727 Automatic Operating Semaphore Signal Sign
Currency: USD
Buy It Now Price: $27.00 or Best Offer
Item location: Pinopolis, US
Seller Rating: 3253/99.2%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $27.00 or Best Offer
Item location: Pinopolis, US
Seller Rating: 3253/99.2%
Click here to see eBay Auction
Back to the top
Title: Lionel 6-12727 O Gauge Operating Semaphore Signal with Box & 153C Contactor
Currency: USD
Buy It Now Price: $32.99
Item location: Marcus Hook, US
Seller Rating: 14/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $32.99
Item location: Marcus Hook, US
Seller Rating: 14/100.0%
Click here to see eBay Auction
Back to the top
Title: LIONEL 6-12727 AUTOMATIC OPERATING SEMAPHORE SIGNAL, O NIB
Currency: USD
Buy It Now Price: $34.38 or Best Offer
Item location: Austin, US
Seller Rating: 33/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $34.38 or Best Offer
Item location: Austin, US
Seller Rating: 33/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel O No.6-12727 Automatic Operating Semaphore Signal Sign
Currency: USD
Buy It Now Price: $35.99 or Best Offer
Item location: Clearwater, US
Seller Rating: 1665/100.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $35.99 or Best Offer
Item location: Clearwater, US
Seller Rating: 1665/100.0%
Click here to see eBay Auction
Back to the top
Title: Lionel Automatic Operating Semaphore Signal; 6-12727, O/O27 Gauge
Currency: USD
Buy It Now Price: $50.00 or Best Offer
Item location: Barrington, US
Seller Rating: 26/0.0%
Click here to see eBay Auction
Back to the top
Currency: USD
Buy It Now Price: $50.00 or Best Offer
Item location: Barrington, US
Seller Rating: 26/0.0%
Click here to see eBay Auction
Back to the top
Back to the top
Last Updated February 18, 2026, 7:32 am
Copyright © 2026 N. & C. Stevens
Privacy Policy
➤