The bonds shall be numbered consecutively from one upwards, and shall be issued in the order of their respective numbers, commencing with number one. There shall be attached coupons for the payment of the annual interest.

The bonds shall be known and designated either as the “park and boulevard,” or “park,” or “boulevard” bonds of the municipality issuing them. Each bond shall not exceed in the amount of its principal one thousand dollars, and may be in any smaller amount.