sounds a bit like a limerick to me, and I have never heard of a clerihew - sorry!
How about 51 scratch-off lottery tickets? 51 flowers? A gift-certificate to her favorite restaurant in the amount of $51?
North-western native americans and inuit [eskimos] used masks. Do your searching on them, for a suggestion. Hints: totem poles, long houses, killer whales.. salmon fishing.. canoes, kayaks... carvings.. cloth weavings.. dancing, story telling...baske...