This is the Cigarette Card location for the Slim Grant card.

Slim Grant is card 6 in the Famous Gunslingers set. The reward for completing this set is Special Snake Oil and $50

In addition to the individual set rewards, the reward for completing your first Cigarette Card set is the Vintage Civil War Handcuffs. The handcuffs are required to craft the Alligator Tooth Talisman; A unique item that reduces Dead Eye core drain by 10%.