Store › Stamp Level 2 (1,501-3,000 sq ft) Stamp Level 2 (1,501-3,000 sq ft) $1,500.00 Review, code check, minor modifications (1-2 rounds), Architectural Stamp. 5 day business day turnaround. Quantity: Add to Cart Added! Review, code check, minor modifications (1-2 rounds), Architectural Stamp. 5 day business day turnaround.