You could spend hours, even days, hunting for that font and lose money from the very first moment. Or, you could digitize the design or get it digitized and have exactly what you need, and it will sew beautifully.
Spending time chasing fonts is not good for your business. Most customers are more than happy with what you can do once they see the options you can provide. Often, they bring something to you simply because they did not know how else to express what they wanted.