National Benzole Mixture calender.
This is a rare item, and would have been displayed in a prominent area of a showroom.
It's complete with a full set of months and numbers.
In our years  of collecting petroliana, we have never seen another!
 
Dimensions: tbc
 
UK mainland postage, £12.95
Status: In stock
Delivery time:   3-5 days (UK)
Payment: PayPal via checkout or BACS.
Returns: Yes, 30 days.