![285 TRANS-MISSISSIPPI - RARE 1899 USAGE on UX4 - IA to UK - PIG & HOG PRICES !](https://i.ebayimg.com/thumbs/images/g/TyAAAOSwuZRlLYPn/s-l140.jpg) | 285 TRANS-MISSISSIPPI - RARE 1899 USAGE on UX4 - IA to UK - PIG & HOG PRICES ! USD 75.0 Category : Postal History Seller : andrew2u(3839, 100.0%) | ![NOS Vintage Amphenol 4-pin Brown Speckled Bakelite Shorting Plug Adapter UX4](https://i.ebayimg.com/thumbs/images/g/ZRUAAOSwh~xd7oeJ/s-l140.jpg) | NOS Vintage Amphenol 4-pin Brown Speckled Bakelite Shorting Plug Adapter UX4 USD 10.0 Category : Amplifier Parts Seller : peace.love.and.music(58124, 99.9%) |
![4-pin UX4 breadboard / prototype tube socket for DIY experimenting](https://i.ebayimg.com/thumbs/images/g/8kgAAOSw5Ipij7RW/s-l140.jpg) | 4-pin UX4 breadboard / prototype tube socket for DIY experimenting USD 18.0 Category : Vintage Tubes & Tube Sockets Seller : pmillett(3000, 99.2%) | ![UX4 (UPSS S3b) Used Postal Card with Reversed Watermark LV4778](https://i.ebayimg.com/thumbs/images/g/RMAAAOSw0EBkKYpe/s-l140.jpg) | UX4 (UPSS S3b) Used Postal Card with Reversed Watermark LV4778 USD 149.99 Category : Postal Cards & Stationery Seller : buystamps(20687, 100.0%) |
![HAWAII SC #UX4 1889 1c RED POSTAL CARD, MINT/NH. NICE EXAMPLE OF THIS ISSUE.](https://i.ebayimg.com/thumbs/images/g/G0YAAOSwXfhmOR9I/s-l140.jpg) | HAWAII SC #UX4 1889 1c RED POSTAL CARD, MINT/NH. NICE EXAMPLE OF THIS ISSUE. USD 15.0 Category : Postal Cards & Stationery Seller : garryl2621(3619, 100.0%) | ![UX4 WATERMARKED POSTAL CARD THE CENTRAL NATIONAL BANK NEW YORK 1876](https://i.ebayimg.com/thumbs/images/g/xT4AAOSwtzJl2WCv/s-l140.jpg) | UX4 WATERMARKED POSTAL CARD THE CENTRAL NATIONAL BANK NEW YORK 1876 USD 199.95 Category : Postal Cards & Stationery Seller : stampyboy(27902, 99.8%) |
![Scott #UX4, UPSS #S3a Mint Postal Card, INVERTED WMK, UPSS Cat. $3,600.00](https://i.ebayimg.com/thumbs/images/g/nZgAAOSw-Gxlf2OE/s-l140.jpg) | Scott #UX4, UPSS #S3a Mint Postal Card, INVERTED WMK, UPSS Cat. $3,600.00 USD 499.0 Category : Postal Cards & Stationery Seller : philipstevens*(16460, 100.0%) | ![Vintage Antique Benjamin UX 4 Pin Vacuum Tube Socket One](https://i.ebayimg.com/thumbs/images/g/XskAAOSwFjpmTQ4t/s-l140.jpg) | Vintage Antique Benjamin UX 4 Pin Vacuum Tube Socket One USD 20.99 Category : Vintage Tubes & Tube Sockets Seller : chukv(15226, 99.8%) |
![HAWAII 1889 UX4 POSTAL CARD VERY FINE UNUSED](https://i.ebayimg.com/thumbs/images/g/2U0AAOSwSqVmBHg4/s-l140.jpg) | HAWAII 1889 UX4 POSTAL CARD VERY FINE UNUSED USD 13.0 Category : Possessions Seller : superiorstamps(21777, 99.9%) | ![Antique UX 4 Pin Bakelite Vacuum Tube Sockets Pair](https://i.ebayimg.com/thumbs/images/g/MOIAAOSwLBJmcdjT/s-l140.jpg) | Antique UX 4 Pin Bakelite Vacuum Tube Sockets Pair USD 19.99 Category : Vintage Tubes & Tube Sockets Seller : chukv(15229, 99.8%) |
![4Pin UX4 Valve Tube Socket For FU-811 274A 572B 5U4G 2A3 300B Audio HIFi DIY 1PC](https://i.ebayimg.com/thumbs/images/g/Mi4AAOSweMxlBxYK/s-l140.jpg) | 4Pin UX4 Valve Tube Socket For FU-811 274A 572B 5U4G 2A3 300B Audio HIFi DIY 1PC USD 1.99 Category : Vintage Tubes & Tube Sockets Seller : vicaudio_1(3089, 99.8%) | ![Listing is for SIX (6) Vacuum Tube Bases 4-Pin UX4 U4A with Bayonet Box P](https://i.ebayimg.com/thumbs/images/g/xyoAAOSw6wderJcV/s-l140.jpg) | Listing is for SIX (6) Vacuum Tube Bases 4-Pin UX4 U4A with Bayonet Box P USD 19.25 Category : Vintage Tubes & Tube Sockets Seller : vacuumtubesdotnet(4278, 100.0%) |
![UX4 (UPSS S3b) Used Postal Card with Reversed Watermark LV2170](https://i.ebayimg.com/thumbs/images/g/UA8AAOSwebZkKYtB/s-l140.jpg) | UX4 (UPSS S3b) Used Postal Card with Reversed Watermark LV2170 USD 199.99 Category : Postal Cards & Stationery Seller : buystamps(20660, 100.0%) | ![UX4 (UPSS S3c) Used Postal Card Inverted & Reversed Watermark LV2158](https://i.ebayimg.com/thumbs/images/g/E5cAAOSwbJZkKYY0/s-l140.jpg) | UX4 (UPSS S3c) Used Postal Card Inverted & Reversed Watermark LV2158 USD 199.99 Category : Postal Cards & Stationery Seller : buystamps(20660, 100.0%) |
![2pc 4pin US Style Gold Pin Ceramic UX4 Base Tube Socket f 300B 5U4G 811 572B 2A3](https://i.ebayimg.com/thumbs/images/g/iPkAAOSw8vlkf-1s/s-l140.jpg) | 2pc 4pin US Style Gold Pin Ceramic UX4 Base Tube Socket f 300B 5U4G 811 572B 2A3 USD 7.82 Category : Amplifier Parts Seller : cctvstore23(141, 100.0%) | ![6x UNION RADIO 4 PIN UX4 TWIST LOCK BAYONET TUBE SOCKET 4/ 00A 01A 45 71A 112A](https://i.ebayimg.com/thumbs/images/g/7ksAAOSwq39mZ1q1/s-l140.jpg) | 6x UNION RADIO 4 PIN UX4 TWIST LOCK BAYONET TUBE SOCKET 4/ 00A 01A 45 71A 112A USD 39.99 Category : Parts & Tubes Seller : 3ncore_deelz(6379, 100.0%) |
![UX4 AMERICAN SOCKET 4 PINS. UX4 SOCKET. 4 AMERICAN PINS. BAKELITE. 1PC.](https://i.ebayimg.com/thumbs/images/g/TP0AAOSwNFNlu4C0/s-l140.jpg) | UX4 AMERICAN SOCKET 4 PINS. UX4 SOCKET. 4 AMERICAN PINS. BAKELITE. 1PC. USD 6.19 Category : Vintage Tubes & Tube Sockets Seller : radio-antigua(17294, 99.9%) | ![One EF Johnson Ceramic UX 4 Pin Twist Lock Vacuum Tube Socket](https://i.ebayimg.com/thumbs/images/g/Oz4AAOSw~AVYoxWr/s-l140.jpg) | One EF Johnson Ceramic UX 4 Pin Twist Lock Vacuum Tube Socket USD 26.99 Category : Parts & Tubes Seller : chukv(15255, 99.8%) |
![One UX 4 Pin Vacuum Tube Socket Twist Lock by Chelton Electric Vintage Antique](https://i.ebayimg.com/thumbs/images/g/F34AAOSw3yhmTQ1S/s-l140.jpg) | One UX 4 Pin Vacuum Tube Socket Twist Lock by Chelton Electric Vintage Antique USD 22.99 Category : Vintage Tubes & Tube Sockets Seller : chukv(15226, 99.8%) | ![Canal Zone UX4 Post Card Local Usage Royal Palm Chapter Meeting Card LV5536](https://i.ebayimg.com/thumbs/images/g/iKQAAOSw6-JlPRhO/s-l140.jpg) | Canal Zone UX4 Post Card Local Usage Royal Palm Chapter Meeting Card LV5536 USD 37.99 Category : Possessions Seller : buystamps(20649, 100.0%) |