Have you turned on the display of the bookmarks toolbar ?

• Use View -> Toolbars -> Bookmarks toolbar
• or Firefox Button -> Options -> Bookmarks toolbar

Note if you press keyboard key Alt it will temporarily display the menubar toolbar, or move the mouse pointer there.

Hi John, thank you, yes, I had the Toolbar turned on and it was showing but was just a grey bar. Since I posted, I've been playing with the Options and dragged something out of there which fixed it! Not touching that again as it's just perfect now. Thank you so much for taking the time reply :)

Glad you fixed it. Most changes are easy to reverse, at the worst you may have to revert to default settings.

Sounds that the "Bookmarks Toolbar Items" were missing on the Bookmarks Toolbar.

I assume that you dragged that item back to the toolbar via the Customize window.
Open the Customize window via "View > Toolbars > Customize" or via "Firefox > Options > Toolbar Layout"

• http://kb.mozillazine.org/Toolbar_customization
• https://support.mozilla.com/kb/Back+and+forward+or+other+toolbar+items+are+missing

Thank you both once again, all happy now :)