Merchandise Published on October 12, 2018November 7, 2019 by Sabrina Wilson The Leonardo da Vinci Society T-shirt with our brand new logo! The cost of the T-shirt is $20. It comes in Small, Medium, Large and Extra Large. Note: It looks like JavaScript is disabled in your browser. Some elements of this form may require JavaScript to work properly. If you have trouble submitting the form, try enabling JavaScript momentarily and resubmit. JavaScript settings are usually found in Browser Settings or Browser Developer menu. RM_StatsFirst Name *Last Name *Email *T-Shirt Small ($ 20.00) × Medium ($ 20.00) × Large ($ 20.00) × Extra Large ($ 20.00) ×