Anything from 22" and larger will be fine. For sale are these fully functional, refurbished LCD flatscreen monitors. Available in 15", 17", 19", 20", 22", 23", 24" sizes and supplied with an HDMI adapter.
eBay
Wallmounted Stand Bracket Holder for 1224 Inch LCD LED Monitor TV PC Screen
Aliexpress UK
Model B2080HSD. Ports VGA,DVI. MONITOR BEZEL OR STAND COLOUR OR DESIGN MAY DIFFER. HOWEVER, THIS DOES'T AFFECT ANY FUNCTIONALITY. Screen Size(in) 20". ✰✰✰ 1 YEAR WARRANTY ✰✰✰. ✩ ALL IMAGES ARE FOR ILLUSTRATION PURPOSE ONLY ✩.
eBay
TV Wall Mount Universal Bracket Fixed Flat Panel TV Frame LED Television Mounting Holder for LCD Screens Monitors for 12-27 Inch
Aliexpress UK
Its HD+ resolution ensures sharp and clear visuals, ideal for both work and leisure. Resolution: HD+ (1600 x 900 pixels). Glossy screen surface for enhanced visual appeal. No Stand Included. 2 x Power Cable.
eBay
Adjustable Ceiling TV Wall Mount Tilt Swivel for 26-60 Inch LCD LED Plasma Monitor Panel Screen Weight Capacity 110 LBS
Aliexpress UK
comes with power cable and computer lead
eBay
Modern Design TV Stand,Rolling TV Cart for 10-46 Inch OLED LED Monitors,TV Floor Stand Holds up to 88lbs,Max VESA 200x200mm
Aliexpress UK
The Dell 2001FP 20 inch Monitor with Stand is a sleek and stylish monitor that offers a great viewing experience. With a tilt and rotate adjustment feature, you can easily find the perfect viewing angle. The black colour adds a touch of sophistication to any setup. This monitor, although never used, retains its original quality and performance, making it a great addition to any workspace or entertainment setup. Made by Dell, a trusted brand in the industry, this monitor ensures high-quality visuals and durability. No power cable.
eBay
NB G40 G45 Gas Spring Arm 22-40 inch Curved Arc Screen Desktop Monitor Holder 360 Rotate 3-15kgs Monitor Mount Arm with USB 3.0
Aliexpress UK
Samsung monitor 20-inch 1650x1050 60Hz
eBay
Portable Monitor Mounting Bracket Plate VESA 1/4 Inch Screw Hole To 100X100mm 75X75mm, M4 Screw Set Wall Mount Holder
Aliexpress UK
Monitor 20" Inch PC Computer LCD VGA TFT HD FLAT SCREEN HP DVI Cheap UK. Service de livraison : Evri Postable
eBay
Universal Retractable TV Mounts Wall Mount Bracket Load Bearing 30KG For 17 to 32 inches LCD Monitor TV Stand Expansion Bracket
Aliexpress UK
You will Need to buy a cable for it one like the last picture will need to buy a VGA to HDMI cable only a couple quid Monitor works completely fine tho. Message me if you want to negotiate.
eBay
20° tiltable TV Wall Mount Bracket 360° Rotated Holder Universal TV Mount for 14 to 37 Inch Computer LCD LED Monitor Tablet PC
Aliexpress UK