Got this yesterday, a metal body (only) original bic. Never seen one before and was interested; came with 2 refills and has slide button to extract the empty refill. : r/pens
The Gentleman Stationer
BIC Ballpoint Pen Refill 4 Colours 0.4 mm Red Pack of 2 | Viking Direct UK
Cristal Metal Refillable, Black, 1 Pack w/2 Refills | Worcester Polytechnic Institute Official Bookstore