Ebay offers Open-Box Apple Smart Keyboard for iPad Pro 10.5" for $30 (reg $154.85) with free shipping.

Product Description:
It's a full-size keyboard that's fully portable, and it connects to iPad Pro with the Smart Connector Just attach the Smart Keyboard and start typing. And when you're done, it folds to create a slim, lightweight cover Compatible with iPad Pro 10.5-inch 

• 90-Day Warranty Free Shipping Both Ways 65 Point Inspection
• All our devices undergo a rigorous 65-point physical and technical examination to ensure that we can deliver the highest quality to our customers. 25+ Years experience
• As an industry leader in product sourcing and reconditioning, we are expert in providing the best and finest quality products. US Seller/US Sourced
• All our products are sourced from the USA. 100% Functional