Here are three sets of original Bennett faces up for sale. Prices include shipping to the 48 states. Payment can be made by paypal with no fees on my end or a check or money order can be mailed.
1st set is for 541, 542, 543 and works on 371, 372 price $150.00
2nd set is for 756, 766 and works on 646, 647 can also be used on 546, 566 ad glass model price $125.00
3rd set is for 756, 766 and works on 646, 647 can also be used on 546, 566 ad glass model price $100.00
The above faces are for a non-computing model. They can be used on a computing Veeter Root computer if you want the non-computing look.