Thats awesome! I can't say I knew they existed, definitely a unique message, a bit of a pun. So is that the schedulet for 1930, or was that a secondary schedule to a booklet? Always learnimg something new from your collection.

Looking for Michelin items + NJ oil company related items (Mohawk, Guardian, Whiz, etc) + animal-related petroliana + Gargoyle/Shell/Sinclair items